Best Locking Utility Knives of 2026

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 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 Klein Tools FLICKBLADE Knife is designed to make your cutting and scraping tasks easier. It features a dual-purpose design, allowing you to switch quickly between a utility knife and a scraper, so you’re prepared for different jobs without needing multiple tools. You can lock the blade in two positions—angled for careful, precise work or straight for regular cutting—giving you more control and accuracy. Its built-in storage keeps extra blades safe and handy, so you never have to hunt for replacements. Plus, the tough aluminum body withstands drops and impacts, making it a reliable tool for tough conditions.

The 8 Pack Utility Knife Box Cutters by DIYSELF is exactly what you need for economical and disposable box cutting blades. The comfortable grip and wider retractable blade make cutting easy and prevent blade slipping with the lock tab. The 9mm wider blade is heavy-duty, ideal for thicker cuts, and can be used for commercial or industrial applications like thicker paper, tape, plastic, cardboard, balsa, bass wood, photos, coupons, cardstock, mat board, foam board, delicate fabrics, crafts, Amazon, UPS, or post office packages. Always keep your blade fresh and sharp by snapping off the blade for a new sharp cutting tip.

The JETMORE Folding Utility Knife is designed to make cutting tasks easier and safer for you. Its sharp blades allow you to slice through various materials quickly and smoothly, saving you time and effort. Thanks to a secure locking system, the knife stays firmly open while you work, preventing any accidental closures or slips. Made from rust-resistant ABS and aluminum, this tool is built to last, so you can rely on it for many projects. Plus, changing blades is simple—just press a button for a quick swap, keeping your work uninterrupted and hassle-free.

The Amazon Basics Folding Utility Knife is a durable and lightweight option for general purpose and precision cutting. The stainless steel fold-out blade housing and aluminum handle with anti-slip grip provide comfortable and secure use. The lock-back design ensures safety by keeping the blade in place when in use. Blade replacement is made easy with the quick-change mechanism, which is compatible with most standard sized blades. This utility knife is perfect for cutting boxes, rope, carpet, plastic, leather, wallpaper, and more.

The Gerber Prybrid Multi-Tool is an 8-in-1 pocket knife designed for versatility and convenience. It features an exchangeable utility blade that is great for cutting various materials, making it ideal for everyday tasks. With built-in tools like a wire stripper and flat drivers, you have everything you need for quick repairs or projects on the go. The slim design allows you to easily carry it in your pocket or toolbox, ensuring it's always within reach. Plus, the durable stainless steel construction ensures that this tool will last through your adventures, whether at work or outdoors.

The WORKPRO 2-in-1 Folding Knife is a versatile tool that converts into both a utility knife and a pocket knife, making it perfect for a range of indoor and outdoor activities. The quick-change mechanism and included 10 SK5 blades ensure easy and safe blade changes, while the liner lock design keeps the blade securely in place during use. With its compact and lightweight design, this folding work knife is easy to carry on your belt, in your pocket, or in your bag.

The WORKPRO Folding Utility Knife is designed for your everyday cutting needs. With a lightweight build of just 1.87 oz, it ensures comfort when carrying it around. The durable stainless steel construction not only resists corrosion but also guarantees longevity. A sturdy belt clip allows you to easily attach it to your pocket or bag, making it accessible whenever you need it. Plus, its quick blade change feature means you can swap blades swiftly, saving you time during your tasks. This knife is perfect for cutting boxes, plastic, or even scraping surfaces clean.

WORKPRO Utility Knife Set is a heavy-duty and lightweight tool that is perfect for cutting and slicing boxes, plastic packaging, and straps. The aluminum alloy and stainless steel design makes it durable and lightweight, while the SK5 razor blades are up to 64 HRC and long-lasting. The blade is retractable and auto-locked, with multiple locking grooves that allow for free control of blade length and sharp precision. The knife also comes with 10 extra blades, making blade replacement easy with the quick-release retail. The sharper acute angle is great for general and precision cutting, allowing you to slice through cardboard, carpet, drywall, rope, vinyl, leather, and flooring. The hand-friendly matting body and ergonomic design upgrade your user experience, and the materials comply with environmental protection.