Best Plastic 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 M MEEPO Box Cutter is a set of 4 tough folding utility knives that are made for heavy duty purposes. The ergonomic handle, easy blade change design and lightweight feeling make it easy to use for daily life. The blades are heat treated steel and will remain sharp for a long time, making this an essential tool that you can trust. The set comes with 10 extra blades and the utility knife can be used to cut through a wide range of materials including drywall, sheet plastic, boxes, rope and more.

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 Slice Safety Cutter is designed to keep your fingers safe while opening packages, thanks to its small ceramic blade that barely exposes the cutting edge. This makes it perfect for safely slicing through boxes, food packaging, and plastic clamshells without damaging the contents inside. Its ceramic blade is also highly durable, lasting 11 times longer than traditional metal blades and eliminating worries about rust. Lightweight and compact, this cutter fits easily on your keychain, making it convenient for both home use and on-the-go tasks. Plus, its ergonomic and non-slip design ensures a comfortable grip every time you use it.

The REXBETI 12-Pack Utility Knife, also known as the REXBETI 12-Pack Knife, is a versatile tool perfect for office and home use. This pack includes 12 razor-sharp utility knives that are made with high-grade carbon steel blades, ensuring they stay sharp for longer periods of time. The 18mm wider blade allows for deep and easy cutting, making it ideal for tasks such as opening cartons, cardboard, and boxes. The thickened hard plastic housing offers a nice grip, providing comfort and control while using the knife. Additionally, the smooth mechanism ensures seamless operation, enhancing overall user experience. With its durability, sharpness, and convenient features, the REXBETI 12-Pack Utility Knife is a reliable choice for all your cutting needs.

The HORUSDY 4-Pack Box Cutter Utility Knife is a heavy-duty aluminum shell retractable box cutter that comes with an extra 10 blades. The aluminum alloy shell with TPR rubber handle is more durable than ordinary plastic utility knives, and the knife body is more comfortable to hold and use. The knife includes four sets of practical knives with different colors, and the blade is retractable and can be used smoothly. The super sharp SK5 heavy blade can cut different materials, making it suitable for hobbies, DIY projects, cardboard, carpet, rope, box, wallpaper, vinyl, rubber, leather, PVC materials, etc. The tail of the knife body is designed by hanging rope, which can hang the knife on the wall or knife rest. It's also easy to carry or store in your toolbox.

The Slice 10515 Mini Box Cutter is a best-selling utility knife with a ceramic blade that never rusts and lasts 11 times longer than metal. This finger-friendly and safe package opener is perfect for opening dog food, sugar, rice, flour, cutting packing tape, cardboard, plastic containers, food packaging, and wallpaper for DIY projects. It can be used by left or right-handed users with a non-slip grip and magnetic feature to keep it handy on the fridge or workshop bench. It is also oil-free, non-sparking, non-conductive, and non-magnetic, making it ideal for half of Fortune 1000 companies to help prevent injuries.