Best Plastic Shims & Shim Stock of 2026

Brian Howie Avatar
Brian Howie
Last Updated: Jan 7, 2026

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Plastic shims and shim stock are versatile and essential tools used in a variety of industries. These thin, wedge-shaped pieces are commonly made from durable plastic materials, such as polyethylene or PVC, and are designed to fill gaps, level surfaces, or provide support in construction, carpentry, and manufacturing applications. Plastic shims are often used to align and stabilize machinery, furniture, or cabinets, ensuring proper balance and functionality. Shim stock, on the other hand, is a thin sheet of plastic that can be easily cut and shaped to fit specific needs, making it ideal for creating custom shims or adjusting tolerances in machinery. With their cost-effectiveness and reliability, plastic shims and shim stock are indispensable tools for professionals seeking precision and efficiency in their work.

At a Glance: Our Top Picks

Small Parts Polyester Shim Stock, Purple, 0.0015" Cover #TOP 1
Small Parts Polyester Shim Stock, Purple, 0.0015"
ftb score rating icon 9.8
Small Parts White Vinyl Wedge Shims 1-3/16" x 1-15/16" Pack of 30 Cover #TOP 2
Small Parts White Vinyl Wedge Shims 1-3/16" x 1-15/16" Pack of 30
ftb score rating icon 9.7
Small Parts PVC Shim Stock 0.010" Cover #TOP 3
Small Parts PVC Shim Stock 0.010"
ftb score rating icon 9.5

Top 10 Plastic Shims & Shim Stock

#TOP 1

Small Parts Polyester Shim Stock, Purple, 0.0015"

698158442157
Purple
Small Parts Polyester Shim Stock, Purple, 0.0015" Cover
Polyester Shim Stock, Flat Sheet, Purple, 0.0015" Thickness, 10" Width, 20" Length (Pack of 1)

The Small Parts Purple Shim is a versatile, high-quality plastic shim designed to make your adjustments precise and easy. Its purple color clearly shows the 0.0015-inch thickness, helping you quickly pick the right shim for your project. You’ll find it simple to cut, allowing you to customize the size without hassle. Plus, it resists oil, so it stays reliable and clean even in greasy environments. This shim is also non-magnetic and won’t conduct electricity, making it safe for use around sensitive electronics and tools. Overall, it’s a handy tool for anyone needing precise spacing or leveling with added convenience and safety.

What We Like
High-quality plastic material
Easy to cut
Oil resistant
Non-magnetic
Non-conductive
#TOP 2

Small Parts White Vinyl Wedge Shims 1-3/16" x 1-15/16" Pack of 30

48820
White
Small Parts White Vinyl Wedge Shims 1-3/16" x 1-15/16" Pack of 30 Cover
Vinyl Wedge, White, 1-3/16" Width, 1-15/16" Length, Pack Of 30

The Small Parts Vinyl Wedge Shims are perfect for making precise adjustments during installations or repairs. Their stackable wedge shape helps you fit them exactly where needed, allowing for stable and accurate leveling. Thanks to their interlocking ridges, these shims stay firmly in place, so you don’t have to worry about slipping or shifting. Made from durable thermoplastic polymer, they resist damage from moisture much better than traditional wood shims, ensuring long-lasting performance even in damp or humid environments. Additionally, these shims help absorb vibrations and reduce noise, providing a stable and quieter support for your projects.

What We Like
Stackable wedge shape
Interlocking ridges
Moisture-resistant material
Vibration and noise reduction
#TOP 3

Small Parts PVC Shim Stock 0.010"

698158441457
Brown
Small Parts PVC Shim Stock 0.010" Cover
PVC (Polyvinyl Chloride) Shim Stock, Flat Sheet, Brown, 0.010" Thickness, 5" Width, 20" Length (Pack of 1)

The Small Parts PVC Shim is a versatile solution for various applications. Made from a strong, nonconductive plastic, it withstands corrosion and resists many chemicals and oils, making it ideal for tough environments. Its opaque brown color clearly indicates a thickness of 0.010", ensuring you can easily identify the right shim for your needs. Additionally, this product meets Federal Specification L-P-535 standards, which guarantees reliable quality for your projects. Whether you are using it for spacing, leveling, or supporting components, this shim offers the durability and performance you require.

What We Like
Durable and long-lasting
Chemical and oil resistant
Clear thickness indication
Meets federal standards
#TOP 4

HSDJLXZ 80-Piece Solid Plastic Leveling Shims

HSDJLXZ
GY0482
black
HSDJLXZ 80-Piece Solid Plastic Leveling Shims Cover
80 PCS Solid Plastic Shims for Leveling, Flat Drywall Shims for Leveling, 3/64, 5/64, 1/8, 5/32 Inch (Black)

The HSDJLXZ Plastic Leveling Shims set includes 80 solid plastic pieces in various sizes, allowing you to handle both small and larger leveling tasks with ease. Made from durable plastic, these shims are built to last, so you can trust them to stay stable and perform well over time. Their flat, slim design makes them simple to place precisely, even in tight spots, helping you achieve a clean and professional finish. Whether you're leveling furniture, adjusting door frames, or spacing tiles, these versatile shims are a handy tool for both home projects and professional use.

What We Like
Variety of sizes
Durable plastic material
Easy-to-use slim design
Versatile for many tasks
#TOP 5

Small Parts Brown PVC Shim Stock 0.010"

44245
Brown
10 x 20"
Small Parts Brown PVC Shim Stock 0.010" Cover
PVC (Polyvinyl Chloride) Shim Stock, Flat Sheet, Brown, 0.010" Thickness, 10" Width, 20" Length (Pack of 1)

The Small Parts PVC Shim is a reliable choice for those needing a strong, nonconductive material. Its durable plastic construction resists damage from corrosion, chemicals, and oils, making it ideal for various work environments. The opaque brown color helps you quickly identify the precise 0.010-inch thickness, ensuring accuracy in your projects. Plus, this shim stock meets federal specifications, which guarantees consistent quality and performance. Whether you’re adjusting machinery or filling gaps, this shim offers you convenience and peace of mind.

What We Like
Durable and corrosion-resistant
Nonconductive material
Thickness color-coded
Meets federal standards
#TOP 6

Small Parts PVC Coral Shim Stock 0.030"

698158442706
Coral
10 x 20"
Small Parts PVC Coral Shim Stock 0.030" Cover
PVC (Polyvinyl Chloride) Shim Stock, Flat Sheet, Coral, 0.030" Thickness, 10" Width, 20" Length (Pack of 1)

The Small Parts PVC Coral Shim is a reliable choice for those needing a sturdy and safe material. This shim is made from PVC, a tough plastic that won’t conduct electricity, making it safe for various uses where electrical insulation is important. It also stands up well against corrosion, chemicals, and oils, so you can trust it to last in harsh environments. The coral color is not just eye-catching but helps you quickly identify its 0.030" thickness, saving you time during your projects. Plus, it meets federal standards, ensuring you get consistent quality every time.

What We Like
Durable material
Nonconductive
Chemical and oil resistant
Thickness color-coded
Meets federal standards
#TOP 7

Small Parts 44620 Polyester Shim Stock Sheet

44620
Small Parts 44620 Polyester Shim Stock Sheet Cover
Small Parts 44620 Polyester Shim Stock, Flat Sheet, Red, 0.002" Thickness, 10" Width, 20" Length (Pack of 5)

The Small Parts Polyester Shim is made from a strong, nonconductive plastic that stands up well to corrosion, chemicals, and oils, making it reliable for various uses. Its solid red color helps you quickly identify the 0.002-inch thickness, so you can pick the right shim without hassle. This shim meets federal standards, ensuring it maintains consistent quality and performance. Plus, it comes with standard tolerance, giving you confidence that the size will be accurate for your projects. Whether you need precise spacing or insulation, this shim offers durability and convenience to help get the job done right.

What We Like
Durable plastic material
Nonconductive and corrosion resistant
Clear thickness identification
Meets federal quality standards
Consistent size tolerance
#TOP 8

PROPA Flexible Plastic Shims 24pcs Kit

PROPA
CL-M-24
Clear
2.4*2.0*0.28inch
PROPA Flexible Plastic Shims 24pcs Kit Cover
Flexible Plastic Shims 24pcs Kit Size Variety | Clear Leveling Kit for Home Improvement | Furniture Leg Stabilizers | Table & Toilet Shims - Trim-to-Fit Wedges | Stackable Design | Furniture Levelers

The PROPA Clear Plastic Shims make fixing uneven furniture and appliances quick and easy. Their transparent design keeps them discreet while protecting your floors from scratches, making them perfect for delicate surfaces like wood and tile. You can use them to stabilize everything from tables to toilets, helping you silence rattles and stop unwanted vibrations. Thanks to the interlocking, non-slip ridges, these shims hold heavy weights securely and can be stacked to get the perfect height for doors or cabinets. Plus, you can trim them with scissors to fit tight spaces, and their durable plastic lasts through heavy use, indoors or outdoors.

What We Like
Invisible protection
Multi-surface use
Stackable design
Trim-to-fit customization
Durable and reusable
#TOP 9

HSDJLXZ 20 Pcs 4-Inch PVC Door Hinge Shims

HSDJLXZ
GY1402
Black
HSDJLXZ 20 Pcs 4-Inch PVC Door Hinge Shims Cover
20 Pcs Door Hinge Shims 4 Inch, PVC Plastic Hinge Spacer for Door Alignment, Sagging Door Fix & Gap Adjustment, Hardware Door Repair Kit (0.03 Inch Thickness)

The HSDJLXZ PVC Door Shims are designed to help you fix sagging doors and adjust door alignment quickly and easily. Made from durable PVC, these shims resist rust and are lighter than metal alternatives, so they last longer and are easier to handle. You can use them without removing the entire hinge—simply slide a shim behind the hinge plate to correct gaps or improve door fit. These shims work well with most standard 4-inch hinges on both interior and exterior doors, making them a versatile tool for home or office door repairs.

What We Like
Durable PVC material
Fixes sagging doors
Easy, tool-free installation
Fits standard 4-inch hinges
#TOP 10

JJUNW 20 Pcs Plastic Toilet and Furniture Leveling Shims

Weiß
White
3.8inch
JJUNW 20 Pcs Plastic Toilet and Furniture Leveling Shims Cover
JJUNW 20 Pcs Toilet Shims, Furniture Window Plastic Leveling Shims, Cut to Size Trapezoidal Balancing Feet for Wobbly Toilet Fix, Load-Bearing Wedges, Tables, Doors and Windows (White, 3.8inch)

The JJUNW Plastic Leveling Shims are designed to help you fix wobbly furniture, toilets, and outdoor fixtures with ease. Made from durable, weatherproof plastic, these shims won’t rot or crack, making them perfect for both indoor and outdoor use. You’ll appreciate the clever stepped groove design, which lets you easily snap off the exact size you need—no scissors required. The pack includes 20 high-quality shims that are odorless, wear-resistant, and strong enough to support heavy loads. These shims provide a simple and long-lasting way to balance your furniture and appliances without hassle.

What We Like
Weatherproof durability
Easy snap-to-size design
Large 20-piece pack
Strong, wear-resistant material
Buying Guide Image
Editor's Notes

During our plastic shims & shim stock research, we found 24 plastic shims & shim stock products and shortlisted 10 quality products. We collected and analyzed 3,626 customer reviews through our big data system to write the plastic shims & shim stock list. We found that most customers choose plastic shims & shim stock with an average price of $13.46.

The plastic shims & shim stock are available for purchase. We have researched hundreds of brands and picked the top brands of plastic shims & shim stock, including Small Parts, HSDJLXZ, PROPA, JJUNW. The seller of top 1 product has received honest feedback from 200 consumers with an average rating of 4.6.

Written by
Brian Howie Avatar

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.