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When purchasing a product, price is the consumer's primary concern. At present, Kolvoii has 25 products for sale. Kolvoii products range in price from $17.99 to $95.99, and the average price of all the products is about $50.58.

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Last Updated: Jan 11, 2026

Kolvoii Labor Saving Arm Jack 2 Pack, 10" Height-Adjustable All-Metal Hand Lifting Jack Tool for Furniture, Door, Window, Cabinet and Drywall Installation

Floor Jacks
Kolvoii Labor Saving Arm Jack 2 Pack, 10" Height-Adjustable All-Metal Hand Lifting Jack Tool for Furniture, Door, Window, Cabinet and Drywall Installation Cover
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HAND JACK SPECIFICATION: Height:15.6 inches, Lifting range: 0-10 inch. Weight: 2 lb/pc. Two hand lifting jack tool are used at the same time, with a load capacity of up to 260 lbs. We have included the thickened anti-slip rubber pads to the support part and bottom of the jack, It is anti-slip while helping you lift furniture
LABOR SAVING DESIGN: This versatile furniture jack uses mechanical leverage to lift heavy objects with minimal effort. Press the lever handle to raise items to the desired height. Lightly press the pressure plate to lower the height quickly. To ensure maximum stability, we recommend using two lifters simultaneously when handling heavy objects
UNIQUE FEATURE: Labor saving arm jack can be used as a beam upper device to clamp beams, and it can be used as a woodworking clamp to clamp multiple boards together; when the object is unstable and shrinks inward, it can be used as a fixed expander
THICKENED SOLID BASE: The lifting jack is made of stainless steel and aluminum, Which is strong and durable. 3.55X3.15X0.2 inch thickened double clip solid steel bottom plate, stable center of gravity, The compression spring is made of high-toughness silico-manganese steel, which has sufficient durability and elasticity
UPGRADED LIFTING HEIGHT: This Jack board lifter lifting height up to 10 inches, more higher than normal tools, free height adjustment. There is enough space for installation and adjustment work
MULTIPURPOSE LEVER ARM LIFTER: The arm hand tool jack is ideal for lifting, pressing, and precise fastening. It is particularly useful for moving heavy or awkwardly-shaped objects that are difficult to lift by hand. Common uses include lifting and positioning heavy furniture, door and window installation, woodworking, construction, and drywall installation etc
PACKAGE CONTAINS: The set comes with two hand jacks, two sets of rubber pads, a pair of work gloves and an instruction manual

Kolvoii Cylinder Hone Tool Set with Tool Box, Adjustable Engine Cylinder Honing Tool for Sizes 3/4" to 7" Cylinders, 1-1/8", 3" and 4" Diameters with Extra 11 Piece Replacement Honing Stones 220 Grit

Flex Hones
Kolvoii Cylinder Hone Tool Set with Tool Box, Adjustable Engine Cylinder Honing Tool for Sizes 3/4" to 7" Cylinders, 1-1/8", 3" and 4" Diameters with Extra 11 Piece Replacement Honing Stones 220 Grit Cover
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[PROFESSIONAL KIT] Our Engine Cylinder Hone Tool Set includes 4 different-sized hone tools, for precise honing in hard-to-reach areas, ensuring comprehensive engine maintenance. It works on all vehicles with cylinders between 3/4" and 7" diameters. It comes with extra 11 piece replacement honing stones in 220 grit, available adds convenience and reliability to your cylinder hone tool.
[PERFORMANCE MAINTENANCE] The cylinder hones is made from structural-grade A36 steel with zinc coating, to ensure superior strength and durability, can effectively removes carbon, rust, glaze, imperfections, and wear on the cylinder walls, for optimal engine performance.
[EASY-TO-USE] The self-aligning design allows the flexible shaft to automatically adjust and align itself within the cylinder bore, By turning the screw clockwise or counterclockwise, the user can increase or decrease the tension of the spring-loaded arms that hold the honing stones. allows the user to adjust the honing force according to the different piston diameters and the desired surface finish.
[SET SPECIFICATION] The set includes:1pc 1-1/8" hone with 2 claws,1pc 1-1/8" hone with 3 claws, 1pc 2" hone with 3 claws, and 1pc 3" hone with 3 claws. Extra replacement honing stones: 3 pcs 4" grind stones, 3 pcs 2" grind stones, 5 pcs 1-1/8" grind stones, usage instructions and a storage case.
[MULTIPLE APPLICATIONS] They can be used on various types of engines, including those in cars, motorcycles, boats, and small engines like lawnmowers.

Kolvoii 3500lbs Boat Trailer Winch with 33FT Strap, Heavy Duty Hand Winch 2-Way Ratchet 4:1/8:1 Gear Ratio, Comfortable Handle for Boat, Trailer, Marine, and Jet Ski - Blue

Towing Winches
Kolvoii 3500lbs Boat Trailer Winch with 33FT Strap, Heavy Duty Hand Winch 2-Way Ratchet 4:1/8:1 Gear Ratio, Comfortable Handle for Boat, Trailer, Marine, and Jet Ski - Blue Cover
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3500 POUND CAPACITY: This heavy-duty steel winch provides a pulling force of 3500 lbs with a 33 ft (10 m) x 2 in (5 cm) polyester strap. The dual-speed 4:1 and 8:1 gear ratios offer the perfect balance of power and efficiency, reducing physical effort by 75%
TWO-WAY RATCHET: The two-way ratchet enables smooth forward/backward operation for easy loading and unloading. The winch offers two speeds: switch between high-speed mode for light loads and low-speed mode for heavier objects with ease.
DURABLE GEAR & POLYESTER STRAP: Built with high-carbon steel gears thickened to 8mm, and a corrosion-resistant galvanized finish, this ratchet winchs withstands harsh marine environments. The integrated polyester strap resists wear and withstands extreme pressure
COMFORTABLE HANDLE: The 10.2-inch ergonomic, anti-slip handle features a textured grip to minimize hand fatigue during extended use. Its removable design enhances portability and storage efficiency
EFFORTLESS INSTALLATION: The reinforced base features standard mounting holes and includes three mounting screws. This allows flexible bolt alignment, ensuring quick and secure installation on trailers, docks, and other setups. Base dimensions: 7.5 in x 3.9 in
WIDE APPLICATIONS: Equipped with heavy-duty hooks, this winch is perfect for boat loading, vehicle recovery, towing, material handling, and more. Its compact yet powerful design ensures reliable performance in diverse tasks

Kolvoii Labor Saving Arm Jack, 2 Pack Stainless Steel Construction Jack, Versatile and Easy to Use Hand Lifting Tools Improved Quality Lifting Device

Floor Jacks
Kolvoii Labor Saving Arm Jack, 2 Pack Stainless Steel Construction Jack, Versatile and Easy to Use Hand Lifting Tools Improved Quality Lifting Device Cover
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HAND JACK SPECIFICATION: Two hand lifting jack tool are used at the same time, with a load capacity of up to 330 lbs. Height:15.6 inches, lifting range: 0-9.5 inch. Weight: 2.38 lb/pc
LABOR SAVING DESIGN: This versatile furniture jack uses mechanical leverage to lift heavy objects with minimal effort. Press the lever handle to raise items to the desired height. Lightly press the pressure plate to lower the height quickly. To ensure maximum stability, we recommend using two lifters simultaneously when handling heavy objects
UNIQUE FEATURE: Labor saving arm jack can be used as a beam upper device to clamp beams, and it can be used as a woodworking clamp to clamp multiple boards together; when the object is unstable and shrinks inward, it can be used as a fixed expander
THICKENED SOLID BASE: The lifting jack is made of stainless steel and aluminum, Which is strong and durable. 3.9X3.9X0.2 inch thickened double clip solid steel bottom plate, stable center of gravity, The compression spring is made of high-toughness silico-manganese steel, which has sufficient durability and elasticity
UPGRADED LIFTING HEIGHT: This Jack board lifter lifting height up to 9.5 inches, more higher than normal tools, free height adjustment. There is enough space for installation and adjustment work
MULTIPURPOSE LEVER ARM LIFTER: The arm hand tool jack is ideal for lifting, pressing, and precise fastening. It is particularly useful for moving heavy or awkwardly-shaped objects that are difficult to lift by hand. Common uses include lifting and positioning heavy furniture, door and window installation, woodworking, construction, and drywall installation etc
PACKAGE CONTAINS: The set comes with two hand jacks, a pair of work gloves, a polyethylene foam-lined protective box, and an instruction manual

Kolvoii 81-Piece Tap and Die Set, SAE & Metric #4–1/2" & M3–M12, Heavy-Duty GCr15 Steel Rethreading Tool Kit with Coarse & Fine Threads for Cutting & Rethreading Internal and External Threads

Hex Threading Dies
Kolvoii 81-Piece Tap and Die Set, SAE & Metric #4–1/2" & M3–M12, Heavy-Duty GCr15 Steel Rethreading Tool Kit with Coarse & Fine Threads for Cutting & Rethreading Internal and External Threads Cover
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All-in-One SAE & Metric Threading Kit：Kolvoii 81-piece tap and die set includes both SAE (#4–1/2") and Metric (M3–M12) coarse and fine threads. Designed for cutting, repairing, or rethreading threads—versatile for fastener or hole repair task
Industrial-Grade GCr15 Steel: Made of industrial-grade GCr15 bearing steel, heat-treated to 60 HRC for exceptional wear resistance and strength. Withstands high torque without deformation. Engineered to ultra‑tight tolerances, it delivers the precision and reliability professionals demand
Precision CNC Machined Teeth: CNC-ground cutting edges provide clean and accurate threads across materials like steel, aluminum, brass, copper, and cast iron. Reduces friction and cross-threading for smoother, faster thread repair
Dual Pitch Gauges & Extractors: Includes both metric and SAE pitch gauges for fast thread identification. Spiral flute extractors (EZ-Out type) help remove broken bolts and studs easily without damaging existing threads, saving time on repairs
Adjustable Tap & Die Wrenches: Adjustable wrenches fit multiple tap and die sizes with secure locking and fine-tension control for precise alignment and steady threading under load
Complete Accessory Kit: 68 Taps and dies, long handle tap wrench, T-handle tap wrench, adjustable die wrench, screwdriver, metric and SAE thread pitch gauges, centre punch, 5 spiral flute extractors—all neatly stored in a rugged blow-molded case
Versatile for Multiple Applications: Ideal for automotive repair, machinery maintenance, and general metalwork. Suitable for creating or restoring threads on bolts, rods, and holes—essential for professionals and DIY repair tasks

Kolvoii Winch Rope Extension 3/8 Inch x 92 Ft 26,500 Lbs, Synthetic Winch Extension Cable Line for Off Road Vehicle ATV UTV Truck etc (Orange)

Towing Winch Cables
Kolvoii Winch Rope Extension 3/8 Inch x 92 Ft 26,500 Lbs, Synthetic Winch Extension Cable Line for Off Road Vehicle ATV UTV Truck etc (Orange) Cover
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ROPE SPECIFICATION: The winch extension rope is 92 feet (28M) in length and 3/8 inch (9mm) in thickness, braided from 12 strands of UHMWPE (ultra-high molecular weight polyethylene fiber). It has an average breaking strength of 26,500 lbs, for tough recovery tasks
EASY AND SECURE INSTALLATION:Reinforced with stainless steel loop guards at both ends, this rope ensures durability and simplifies installation. It adds extra length and flexibility to your winching system, allowing you to pull objects from farther away
HIGH-STRENGTH MATERIA: UHMWPE synthetic winch rope matches the strength of steel cable while being lighter, making it easier to handle. It offers extreme tensile strength with low stretch (
DURABLE & WEATHER-RESISTANT: Polyester coating winch line extension resists abrasion, oils, chemicals, and UV damage. Performs in extreme weather conditions, operating safely down to -20°C
ENHANCED FLEXIBILITY:This winch rope extension is perfect for off-roading, heavy-duty hauling, and towing tasks. Floats on water for safe and efficient traction across mud, rivers, and rough terrain

Kolvoii 61-Piece Thread Restorer Kit, Metric & SAE Thread Chaser Set with Taps, Dies, Files & Pitch Gauges – UNC, UNF, Metric Rethread Damaged Threads on Bolts, Nuts & Holes

Thread Metric Inserts & Repair Kits
Kolvoii 61-Piece Thread Restorer Kit, Metric & SAE Thread Chaser Set with Taps, Dies, Files & Pitch Gauges – UNC, UNF, Metric Rethread Damaged Threads on Bolts, Nuts & Holes Cover
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METRIC & SAE THREAD REPAIR KIT: 28 taps, 28 dies, 3 thread files, and 2 pitch gauges, Size covering UNC (5/8″–1/4″), UNF (5/8″–1/4″), and Metric (M6–M14) standards, Coverage for both common and edge-case sizes
REVIVE & PRESERVE THREADS: Restore worn, damaged, or corroded threads without compromising the integrity of your metalwork—get smooth, reliable fastening on spark plugs, engine blocks, pipe fittings, and more. Never wrestle with cross-threading again
ENGINEERED FOR ENDURANCE: Each piece is forged from heat-treated carbon steel and coated (zinc or black oxide) for superior hardness, rust resistance, and longevity—designed to withstand frequent use
FAST, FOOL-PROOF RETHREADING: Color-coded, hex-shaped taps and dies fit any standard wrench or socket. Use the included pitch gauges and three file profiles to align, clean, and cut in one swift process
WIDE APPLICATION: Ideal for mechanics, machinists, plumbers, and DIYers. Repair threads on cylinder heads, machinery parts, suspension bolts, household hardware, and specialized fittings—no specialist equipment needed
ORGANIZED FOR ON-THE-GO WORK: Rugged blow-molded case with silver (UNC), black (UNF), and gold (Metric) coding keeps every tap, die, file, and gauge neatly in place—grab what you need and get back to work

Kolvoii Pocket Hole Jig, Professional Adjustable Pocket Screw Jig for Strong Joints, Versatile Drill Guide Jig for Materials 1/2" to 3 1/8" Thickness with Storage Case

Power Tool Accessory Jigs
Kolvoii Pocket Hole Jig, Professional Adjustable Pocket Screw Jig for Strong Joints, Versatile Drill Guide Jig for Materials 1/2" to 3 1/8" Thickness with Storage Case Cover
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CREATE PERFECT JOINTS:Kolvoii pocket hole jig is a simple yet flexible pocket hole set for creating hidden, strong, professional joints with ease. With its adjustable drill guides, it accommodates wood thicknesses ranging from 1/2" to 3-1/8" (12-82mm)
USER FRIENDLY DESIGN:Built in measuring system provides an adjustable range of 1/2" to 1-1/2" with clear marks, enabling quick and accurate measurements and find the right hole location. The block allows three spacings - 0.6/0.8/1.4" without any marking or moving the jig
FOR THICK OR LONG BOARDS:The kit includes a portable slider holder for the block drill jig. effectively giving you two jigs in one, sharing the same guide block. This dual functionality ensures you can easily work with various thicknesses and angles
BUILT TO LAST:Crafted from steel and aluminum with CNC precision machining. It includes a stainless steel extension rod for enhanced support, hardened steel drilling sleeves and high-speed steel 3/8” drill bits to ensure lasting durability
UNMATCHED VERSATILITY:Whether you're building cabinets, bookshelves, or furniture, or indulging in DIY crafts, the Kolvoii Pocket Hole Jig is versatile enough to meet the demands of any project, making it an essential tool in your workshop
COMPREHENSIVE ACCESSORIES:The complete pocket hole jig kit include pocket hole jig, L square driver bit 6", L square driver bit 2.5", pocket-hole screws x 10, pocket-hole plug x 10, slider holder, 3/8" HSS drill bits x 2, stop collar x 2, hex wrench x 2, tailor-made carrying case

Kolvoii 3 in 1 Framing Tools, 12", 14" & 16" On-Center Stud Layout Tool, 100% Cast Aluminum Framing Jig, Stud Framing Tool for Walls, Roofs, Floors or Ladders

Framing Tools
Kolvoii 3 in 1 Framing Tools, 12", 14" & 16" On-Center Stud Layout Tool, 100% Cast Aluminum Framing Jig, Stud Framing Tool for Walls, Roofs, Floors or Ladders Cover
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[Essential Stud Framing Tool] Transform your workflow with this stud framing tool. Achieve perfect 12", 14", 16" spacing instantly. This framing jig cuts installation time by 50% while ensuring consistent, professional results for all your projects
[Precision Framing Tools] Our framing tools deliver flawless accuracy every time. The frame tool guarantees perfect 90-degree angles and eliminates measurement errors. Experience professional-grade precision with these essential framing tools
[Versatile Stud Layout Tool] Maximize efficiency with our 3-in-1 stud layout tool. Perfect for walls, floors, roofs, and decks. This innovative tool adapts to various materials and projects, making complex layouts simple
[Durable Framing Square] Trust in our heavy-duty framing square made of solid cast aluminum. Rust-resistant and built for job site demands, this reliable tool maintains accuracy through years of tough use
[Smart Frame Jig] Revolutionize building with our frame jig. Designed for speed and accuracy, it eliminates guesswork and reduces waste. Get professional results faster

Kolvoii Helicoil Thread Repair Kit 320-Piece, Metric & SAE HSS Drill Bits Tap Set, Spark Plug Engine Stud Insert for Automotive Rethreading Restorer Tool

Thread Metric Inserts & Repair Kits
Kolvoii Helicoil Thread Repair Kit 320-Piece, Metric & SAE HSS Drill Bits Tap Set, Spark Plug Engine Stud Insert for Automotive Rethreading Restorer Tool Cover
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COMPLETE THREAD RESTORATION SOLUTION: This master 320-piece thread restorer kit is meticulously crafted for both SAE and metric sizes：1/4", 5/16", 3/8", 7/16", 1/2", M5, M6, M8, M10, and M12. It includes everything you need: drill bits, screw taps, high-strength wire inserts, installation, and break-off tools, providing a complete thread repair tool
PRECISION RESTORER: Don't just repair, reinforce. Our helicoil kit doesn't merely restore damaged threads; it creates wear-resistant threads that are often stronger than the original, especially in soft metals like aluminum and iron. Say goodbye to stripped threads for good
EFFORTLESS 3-STEP PROCESS: Achieve flawless results every time. Follow the intuitive Drill, Tap, Install process. The specialized 135° apex angle drill bits and smooth-installation tools work in harmony for perfect insert placement, while the break-off tool ensures a clean, ready-to-use finish
UNMATCHED DURABILITY: Engineered for a lifetime of service. Heat-Treated High-Speed Steel (HSS) drill bits and taps slice through metal with ease, while corrosion-resistant 304 Stainless Steel inserts guarantee lasting strength. The rubber-coated grip provides comfort and control during extended use
ORGANIZED & PORTABLE: Kolvoii heli coil thread repair kits include 280 thread inserts, 10 installation tools, 10 break-off tools, 10 screw taps, 10 drill bits, and 2 hex wrenches. The custom carrying case keeps your tools secure and organized for damage-free transport
WIDE APPLICATION: Your mobile workshop companion. Tackle a vast range of repairs—from automotive engines and spark plugs to machinery bearings. Works on aluminum, iron, carbon steel, bronze, and more. Perfect for both professionals and DIY enthusiasts seeking dependable thread repair results

Kolvoii Synthetic Winch Rope Kit, 1/4" x 50ft 9,650lbs Winch Cable with Steel Hook, Winch Line Stopper and Safety Pull Strap for ATV UTV Off-Road Vehicle etc (Grey Rope, Black Hook)

Towing Winch Cables
Kolvoii Synthetic Winch Rope Kit, 1/4" x 50ft 9,650lbs Winch Cable with Steel Hook, Winch Line Stopper and Safety Pull Strap for ATV UTV Off-Road Vehicle etc (Grey Rope, Black Hook) Cover
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ROPE SPECIFICATION: The winch rope length: 50 feet(15 M)+ 5 feet(1.5 M) protective sleeve. thickness: 1/4" (6 mm). It braided from 12 strands of UHMWPE(ultra-high molecular weight polyethylene fiber), offers an average breaking strength of 9,650 lbs
UPGRADE SYNTHETIC ROPE: Crafted from UHMWPE with a polyester coating, the rope combines high strength with low weight. It resists abrasion, UV rays, and moisture, making it ideal for harsh environments
STEEL HOOK & RUBBER STOPPER: The fully forged steel hook, rated for 25,000 lbs, is impact-resistant. A rubber stopper protects the winch, minimizing injury and cable damage and hold the cable. A 5 ft (1.5m) sliding protective sleeve minimizes wear, overheating, and slipping
EASY AND SECURE INSTALLATION: Reinforced with stainless steel loop guards at both ends, this rope ensures durability and simplifies installation. Suitable for vehicles under 3200 lbs and winches with a pull rating of 5000 lbs or less
VERSATILE APPLICATION: This winch cable is perfect for roadside emergencies and off-road adventures. It offers high safety performance across various scenarios, compatible with most off-road vehicles, including cars, trucks, ATVs, and UTVs

Kolvoii Framing Tool, 16 Inch On-Center Framing Tools, 100% Cast Aluminum Framing Spacing Tool, Measurement Jig Tool For Walls, Roofs, Floors or Ladders

Framing Tools
Kolvoii Framing Tool, 16 Inch On-Center Framing Tools, 100% Cast Aluminum Framing Spacing Tool, Measurement Jig Tool For Walls, Roofs, Floors or Ladders Cover
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[Ultimate 16 on Center Framing Tool] Achieve 16-inch spacing with precision. This dedicated 16 on center framing tool is the fastest framing jig for perfect layouts. Eliminate measuring mistakes and frame walls 50% faster, project after project
[Precision Framing Tools] Our framing tools deliver flawless accuracy every time. The frame tool guarantees perfect 90-degree angles and eliminates measurement errors. Experience professional-grade precision with these essential framing tools
[Versatile Stud Layout Tool] Maximize efficiency with our 16 in stud layout tool. Perfect for walls, floors, roofs, and decks. This tool adapts to various materials and projects, making complex layouts simple
[Durable Framing Square] Trust in our heavy-duty framing square made of solid cast aluminum. Rust-resistant and built for job site demands, this reliable tool maintains accuracy through years of tough use
[Smart Frame Jig] Revolutionize building with our frame jig. Designed for speed and accuracy, it eliminates guesswork and reduces waste. Get professional results faster

Kolvoii M10X1.25 Thread Repair Kit, Metric Helicoil Kit with HSS Drill Bit, Thread Inserts, Tap & Break-Off Tool, Complete Rethreading Set with Carry Case

Thread Metric Inserts & Repair Kits
Kolvoii M10X1.25 Thread Repair Kit, Metric Helicoil Kit with HSS Drill Bit, Thread Inserts, Tap & Break-Off Tool, Complete Rethreading Set with Carry Case Cover
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COMPLETE REPAIR SOLUTION：This M10X1.25 helicoil kit is your all-in-one fix for stripped or worn threads. It includes 10 inserts, HSS drill bits, taps, hex wrench, installation & break-off tools—everything needed to restore threads to like-new condition
PRECISION RESTORER: Don't just repair, reinforce. Our kit doesn't merely restore damaged threads; it creates wear-resistant threads that are often stronger than the original, especially in soft metals like aluminum and iron. Say goodbye to stripped threads for good
EFFORTLESS 3-STEP PROCESS: Achieve flawless results every time. Follow the intuitive Drill, Tap, Install process. The specialized 135° apex angle drill bits and smooth-installation tools work in harmony for perfect insert placement, while the break-off tool ensures a clean, ready-to-use finish
UNMATCHED DURABILITY: Engineered for a lifetime of service. Heat-Treated High-Speed Steel (HSS) drill bits and taps slice through metal with ease, while corrosion-resistant 304 Stainless Steel inserts guarantee lasting strength. The rubber-coated grip provides comfort and control during extended use
ORGANIZED & PORTABLE: The Kolvoii helicoil kit includes HSS drill bit, tap, installation & break-off tools, hex wrench, 10 stainless steel inserts, and a user manual. The durable iron case keeps all tools secure and ready for portable, on-the-go thread repairs
WIDE APPLICATION: Your mobile workshop companion. Tackle a vast range of repairs—from automotive engines and spark plugs to machinery bearings. Works on aluminum, iron, carbon steel, bronze, and more. Perfect for both professionals and DIY enthusiasts seeking dependable thread repair results

Kolvoii Furniture Jack 2 Pack, Construction Jack with Two-Speed Drop Modes, Multi-Function Height Adjustment Lifting Device Labor Saving Arm

Car Floor Jacks Electric Car Jacks
Kolvoii Furniture Jack 2 Pack, Construction Jack with Two-Speed Drop Modes, Multi-Function Height Adjustment Lifting Device Labor Saving Arm Cover
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Heavy-Duty Metal Construction: Crafted from stainless steel and aluminum, this lifting jack supports up to 330 lbs. Height:15 inches, Lifting range: 0-7 inch. Ideal for installing cabinets, adjusting furniture, and furniture lifter tool, meeting your heavy-duty tasks lifting needs effortlessly
Dual Descent Modes: Featuring dual descent modes—“SLOW” for controlled lowering and “FAST” for quick descents—this jack allows for precise adjustments, enhancing safety and efficiency for any project
Enhanced Stability and Durability: The thickened double-clip steel base plate provides stability, while the soft plastic-wrapped handle ensures a comfortable grip. Anti-slip pads provide stability, protecting surfaces from damage and ensuring secure lifting
Versatile Multi-Purpose Tool: This construction jack isn't just for lifting; it also serves as a woodworking clamp, expander, and leveling tool. Its adjustable height makes it perfect for a variety of tasks, including door adjustments and drywall lifting, adapting to your project needs
Effortless Operation: Designed for ease of operation, the single-hand squeeze handle allows you to lift and lower objects with minimal effort. Say goodbye to back strain and tackle heavy lifting tasks quickly, making your work more efficient and less tiring
Portable Design:The arm jack set comes with two hand jacks, two sets of rubber pads, a pair of work gloves, an instruction manual and a carrying box for convenient storage and transportation

Kolvoii Winch Rope Extension 3/8 Inch x 50 Ft 26,500 Lbs, Synthetic Winch Extension Cable Line for Off Road Vehicle ATV UTV Truck etc (Grey)

Towing Winch Cables
Kolvoii Winch Rope Extension 3/8 Inch x 50 Ft 26,500 Lbs, Synthetic Winch Extension Cable Line for Off Road Vehicle ATV UTV Truck etc (Grey) Cover
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ROPE SPECIFICATION: The winch extension rope is 50 feet (15M) in length and 3/8 inch (9mm) in thickness, braided from 12 strands of UHMWPE (ultra-high molecular weight polyethylene fiber). It has an average breaking strength of 26,500 lbs
EASY AND SECURE INSTALLATION:Reinforced with stainless steel loop guards at both ends, this rope ensures durability and simplifies installation. It adds extra length and flexibility to your winching system, allowing you to pull objects from farther away
HIGH-STRENGTH MATERIA: UHMWPE synthetic winch rope matches the strength of steel cable while being lighter, making it easier to handle. It offers extreme tensile strength with low stretch (
DURABLE & WEATHER-RESISTANT: Polyester coating winch line extension resists abrasion, oils, chemicals, and UV damage. Performs in extreme weather conditions, operating safely down to -20°C
ENHANCED FLEXIBILITY:This winch rope extension is perfect for off-roading, heavy-duty hauling, and towing tasks. Floats on water for safe and efficient traction across mud, rivers, and rough terrain

Kolvoii Screw Extractor Set & Bolt Extractor Kit, Left Hand Drill Bit Set, 39 Pcs Multi-Spline Bolt Remover Tools, for Removing Broken, Stripped Bolts, Screws, 35#CR-MO 6542/4341 HSS Steel Cobalt

Tap Extractors
Kolvoii Screw Extractor Set & Bolt Extractor Kit, Left Hand Drill Bit Set, 39 Pcs Multi-Spline Bolt Remover Tools, for Removing Broken, Stripped Bolts, Screws, 35#CR-MO 6542/4341 HSS Steel Cobalt Cover
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[Extract Broken Screw] The screw and bolt extractor set consists of left hand drill bit set, screw and bolt extractor set, designed to remove stuck, broken or screwed bolts, studs, screws and other threaded fasteners without damaging the surrounding material, avoid replacing the entire machine due to a broken screw or stud
[Excellent Performance] The drill bit set were made by High Speed Steel(HSS), which have high hardness, perfect for drilling holes for screws. The nut remover set were made by Chromium-molybdenum steel(CR-MO), which is high temperature and high pressure resistance, perfect for remove nuts
[Excellent Grip] The screw and nut remove set with special thread design, and the helical grooves are designed to snap in for maximum holding force, providing excellent torque, easy to use and remove peeled, rusted or frozen, damaged bolts, nuts and screws in car repair and industrial instrumentation
[Versatile Combination] The stripped screw extractor set includes 5 spiral screw extractor, 10 left hand drill bit, 13 nut remover, 10 Spline Screw Extractor, and 3/8'' socket adapter. Perfect set for the most common sizes encountered for home use
[Easy Carry Storage Case] All screw and bolt extractor ser are packed in a rugged, compact carry case for storage and portability. Each tool fits snugly into its respective place to prevent moving around and scraping
[Warm Tips] Each screw extractor kit and bolt extractor is coated with oil to prevent rust, and direct hand contact may cause stains

Kolvoii 2 Pack Cabinet Installation Kit, Adjustable Telescoping Cabinet Jack Support Poles, 20–37 Inch Manual Support Jack for Cabinet Installation, Support & Repair

Floor Jacks
Kolvoii 2 Pack Cabinet Installation Kit, Adjustable Telescoping Cabinet Jack Support Poles, 20–37 Inch Manual Support Jack for Cabinet Installation, Support & Repair Cover
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VERSATILE SUPPORT TOOL: Designed to assist with cabinet installation, door positioning, crown molding, and general repair work. This adjustable support pole helps hold and position materials during setup, supporting safer and more controlled installation processes
HEAVY-DUTY BUILD QUALITY: Manufactured with aluminum, stainless steel, carbon steel, and ABS, this tool delivers a lightweight yet robust design. It can support up to 330 lbs, ensuring reliability for even the most demanding construction and installation tasks
ADJUSTABLE TELESCOPING RANGE (20–37 IN.): The telescoping support pole can be extended or retracted to accommodate different working heights. A push-button adjustment mechanism allows incremental height changes for improved control during positioning tasks
HANDS-FREE POSITIONING SUPPORT: This manual support jack uses mechanical leverage to assist with lifting and positioning objects during installation. Lift objects smoothly by repeatedly pressing the force arm handle. Press the release plate for descent
ADJUSTABLE CONTACT ANGLE: Features a rotating handle and a support plate adjustable up to 45° left or right, enabling better alignment on angled or uneven surfaces. Textured non-slip pads help maintain contact and reduce the risk of slippage during use
READY TO USE: Ready for use out of the box. For larger or heavier objects, using two support poles together is recommended to improve stability and load distribution. Always ensure proper placement and surface contact before lifting

Kolvoii 52-Piece Large SAE Tap and Die Set, 1/4"-20 to 1"-14 Thread Repair Kit with Rethreading Tools & Thread Chasers, Heavy-Duty GCr15 Steel for Internal & External Threads

Tap & Die Sets
Kolvoii 52-Piece Large SAE Tap and Die Set, 1/4"-20 to 1"-14 Thread Repair Kit with Rethreading Tools & Thread Chasers, Heavy-Duty GCr15 Steel for Internal & External Threads Cover
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All‑in‑One SAE Solution:This 52‑piece kit includes coarse and fine SAE taps and dies ranging from 1/4″‑20 to 1″‑14. Built to power through tough re-threading jobs, it easily handles engine repairs and heavy machinery maintenance
Industrial-Grade Strength: Crafted from GCr15 bearing steel and hardened to 60 HRC, this set offers exceptional wear resistance and long-lasting performance under high torque. Engineered to ultra‑tight tolerances, it delivers the precision and reliability professionals demand
Precision Threading Performance: CNC-machined cutting teeth ensure clean, accurate threading across most metals, including carbon steel, stainless steel, aluminum, brass, copper, and cast iron
Pitch Gauge and Extractors:A SAE pitch gauge allows you to identify thread types at a glance and Spiral flute extractors (EZ-Out style) are included for removing broken bolts or studs without damaging surrounding threads
Enhanced Usability Features: Adjustable tap and die wrenches accommodate various sizes of taps and dies and can be finely tuned for specific applications, ensuring precise results. Center punch and screwdriver ensure accurate thread starts
Complete Accessory Kit:20 taps, 20 dies, a tap wrench, die wrench with adapter, T-handle wrench, adjustable tap wrench, spring-flute extractors (3–18 mm), a flat screwdriver, center punch, and a SAE pitch gauge—all neatly stored in a durable blow-molded case

Kolvoii 14 PCS TCT Hole Saw Kit for Hard Metal, 9/16"-2-1/8" Tungsten Carbide Tipped Hole Saw Drill Bit Heavy Duty Carbide Hole Cutter Set with Aluminum Box 2 Extra Pilot Drill Bits

Hole Saws
Kolvoii 14 PCS TCT Hole Saw Kit for Hard Metal, 9/16"-2-1/8" Tungsten Carbide Tipped Hole Saw Drill Bit Heavy Duty Carbide Hole Cutter Set with Aluminum Box 2 Extra Pilot Drill Bits Cover
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Covers Common Hole Needs: This TCT hole saw kit covers cutting diameters of: 9/16"(14mm), 5/8"(16mm), 3/4"(19mm), 7/8"(22mm), 1"(25mm), 1-1/8"(29mm), 1-1/4"(32mm), 1-3/8"(35mm), 1-1/2"(38mm), 1-3/4"(45mm), 2"(51mm), and 2-1/8"(54mm), perfect for clean cuts in metal during conduit, pipe, or fixture installations. Cutting Thickness: 1 inch
Tungsten-Carbide Construction: Crafted with pro-grade tungsten carbide-tipped cutters, this set cuts through stainless steel, iron, aluminum, and other tough metals with consistency and control. Designed for demanding jobs and repeated use
Three-Blade Design: Our exclusive three-blade design delivers improved balance, reduced vibration, and cleaner cuts. Each tooth engages the material at staggered intervals, reducing resistance and ensuring precision holes with minimal deburring
Titanium-Plated Pilot Bits：The titanium-plated pilot drill bits ensure smooth, centered starts and resist walking, even on curved or hardened surfaces. A built-in spring ejection system automatically clears the cut slug after each hole, keeping your workflow efficient
Versatile Applications: Compatible with any 3/8" or larger drill chuck, this set works with handheld drills, magnetic drills, and benchtop setups. Note: Not suitable for concrete, tile, or stone
COMPREHENSIVE PACKAGE: The package includes 12 TCT hole saws, 2 hex wrenches, and 2 extra titanium-plated pilot drill bits all neatly packed in a durable aluminum box

Kolvoii Bolt Extractor Kit, 39 Pieces Easy Out Screw Extractor Set, Left Hand Drill Bit Set, Multi-Spline Extractors, for Removing Damaged, Stripped, Broken, Rusted, Rounded-Off Bolts and Screws

Tap Extractors
Kolvoii Bolt Extractor Kit, 39 Pieces Easy Out Screw Extractor Set, Left Hand Drill Bit Set, Multi-Spline Extractors, for Removing Damaged, Stripped, Broken, Rusted, Rounded-Off Bolts and Screws Cover
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Tired of Fighting with Stripped or Broken Bolts? Upgrade bolt extractor kit is your ultimate solution. Bolt & screw extractor set effortlessly removes damaged, frozen, rusted, or rounded-off bolts and screws without damaging the surrounding material
Built to Last : Crafted from premium 35#CR-MO and 6542/4341 HSS Steel Cobalt, our easy out bolt extractor set offers unmatched durability. High temperature and pressure resistance make quick work of challenging extractions
Superior Grip & Torque : The innovative reverse thread design and deep helical grooves of extractor set provide a superior bite, ensuring maximum grip and torque to conquer the toughest extraction jobs
Versatile Combination : This set includes everything: 13 bolt nut extractor set, 10 multi-spline extractor set, 10 left hand Cobalt drill bit set, 5 sprial screw extractor set and a 3/8'' socket adapter. It's a complete ez out screw extractor set designed for common sizes in home, auto, or professional settings
Organized & Ready : All stripped screw extractor are neatly organized in a rugged, portable case. Each tool has its dedicated spot, preventing movement and ensuring quick access. Storage and transport are effortless, keeping tools secure and ready

Kolvoii FAQs

Yes, Kolvoii is a legitmate brand on Amazon. After conducting a comprehensive analysis of 346 customer reviews for Kolvoii products on Amazon, we have determined its average rating. Offering great value and satisfying quality, Kolvoii has achieved a respectable rating of 4.3 from many customers, showing that its products meet customer expectations. While there may have been minor issues reported occasionally, overall, it is safe to make purchases from Kolvoii on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

If you're interested in Kolvoii and want to find more Kolvoii products, you can follow the steps below:

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We analyze millions of Kolvoii products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

There are usually 5 to 10 products in a brand buying guide. We found 25 Kolvoii products for sale, 20 of which were analyzed in detail and recommended to customers.

  1. Go to the Kolvoii page.
  2. Select the product you want in the Kolvoii buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product Kolvoii Labor Saving Arm Jack 2 Pack, 10" Height-A..., you can view it on Amazon page.
  3. Place your order on Amazon.

Our mission is to provide you with the most up-to-date and objective information about the Kolvoii products, helping you make more informed buying decisions. We recommend best choices of the products from the Kolvoii brand, helping you make better shopping choices with less time and energy.

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