Best Locking Utility Knives of 2025

The Fiskars Pro Folding utility knife is a reliable addition to your tool kit, featuring a dual-locking blade system to keep the blade safe when not in use. Its ergonomic design with deep grooves and contouring accommodates multiple grips, and its slim profile allows it to fit compactly in your pocket or tool belt. You can easily replace blades with its interchangeable blade system, and it comes with one CarbonMax utility blade that lasts 24X longer than standard utility blades. Its reinforced metal end provides reliable resistance against pounding and drops. Overall length is 6.25 inches, and it comes with a lifetime warranty.

The Klein Utility Knife is designed for versatility and convenience. It features dual blade positions, allowing you to open the blade at either a 135-degree or 180-degree angle. This flexibility is perfect for various cutting tasks. With built-in storage for five extra blades, you’ll always have replacements on hand. The knife also includes a side-button release for quick and easy access, ensuring you can get to work without delay. Plus, a strap cutting slot lets you slice through straps even when the knife is closed, making it an efficient tool for everyday use.

The Pacific Handy Cutter Safety Cutter is an NSF certified utility knife that offers a safer work environment, especially in food service areas. Its disposable feature helps eliminate loose blades, reducing potential injuries while remaining a cost-effective option. The unique auto-locking safety hood is designed to keep the user safe by automatically covering the blade after each cut, reducing the risk of workplace injury. Additionally, the bladeless tape splitter safely and easily opens boxes damage-free, avoiding exposure to blades while cutting tape, which further prevents injuries and extends the life of the blades. This safety cutter is ideal for food service, food manufacturing, restaurants, grocery stores, and more.

The WORKPRO Premium Utility Knife is a heavy-duty box cutter that is durable and lightweight, with SK5 razor blades that are up to 64 HRC. It has a retractable blade with 3 adjustable positions and a quick-release button for easy blade replacement. It can slice through cardboard, carpet, drywall, rope, vinyl, leather, and flooring, making it great for general and precision cutting. The matting body and ergonomic design make it hand and environment-friendly, and it comes with a 90-day money-back guarantee and lifetime support.

The WORKPRO Utility Knife features an innovative Axis-Lock mechanism that ensures safe and enjoyable use, allowing you to open and close the knife with ease. Constructed from premium materials, including stainless steel and aerospace-grade aluminum, it is built to withstand tough working environments. The patented blade locking system keeps the blade securely in place for precise cutting, while the quick-release button makes blade replacements a breeze. With its heavy-duty design, this knife is perfect for cutting through boxes, plastic packaging, and straps, making it a reliable tool for any project.

The OLFA 18mm Heavy-Duty Utility Knife (L-1) comes preloaded with a razor-sharp 18mm LB Heavy-Duty Silver Snap Blade made from Japanese tool steel, making it great for industrial or construction applications. The sturdy handle made from high-impact ABS plastic provides extra leverage for tough cutting projects. Its custom ratchet lock control provides custom cutting depths, and its multipurpose heavy-duty design is perfect for cutting through drywall, roofing, flooring, rubber, gasket materials, and more. Pairing this knife with OLFA 18mm Blades provides optimal results.

The Sheffield 12115 Ultimate Lock Back Utility Knife is a versatile tool that can cut through a wide range of materials, from carpet and paper to rubber hoses and Sheetrock. Its patented quick-change blade mechanism allows for easy blade replacement without any need for unscrewing. The lock back release feature ensures the blade stays securely in place when opened or closed, and the textured aluminum grip provides a comfortable and firm hold. With its classic wood-grain and aluminum handle, this knife is not just practical but also stylish.

The ValueMax 2-Pack Box Cutter Knife is a versatile and safe tool perfect for workers, teachers, students, and other professionals. It has three blade depth positions, making it efficient for top cut, shallow tray cut, and deep cut. The dual-sided edge guide allows both left- and right-handed users to make quick, accurate cuts. It is perfect for precision cutting of cardboard, plastic straps, twine, carpet, rope, vinyl, or leather. The quick-release feature is easy to use and comes with 10 heavy-duty reversible SK5 blades with replacement storage built right into the handle. The package includes two box cutter knives, 18 blades, holsters, and lanyards with a 180-degree rotating system for comfortable use.

The Slice 10400 Box Cutter is an innovative and stylish utility knife that is safer to use than traditional knives. It features a 3-position manual slider button that allows the blade to stay locked in three positions, a zirconium oxide ceramic blade that stays sharp up to 10x longer than steel blades, and easy blade change without tools. The ceramic blade is non-conductive, anti-magnetic, chemically inert, and never rusts. It is designed for cutting corrugated packaging, foam, vinyl, boxes, cardboard, etc. To cut paper and thinner items, try the Slice 00116 Precision Cutter or 00100 Safety Cutter.

The WORKPRO Utility Knife offers exceptional cutting performance with its 18 mm SK5 steel blades, ideal for tackling various materials like paper, cardboard, and plastic. You'll appreciate the user-friendly design, which allows for easy blade replacement; simply snap off the worn blade and replace it with one of the 10 extras included. Safety is a priority with an automatic lock plate and a handle designed for comfort during use. Plus, its lightweight and reliable build make it easy to carry around for both home and office tasks. This knife is perfect for all your DIY projects.