Best Whole Earth Supply Knife Blades in 2026

WHAT YOU WANTED: Economical and disposable box cutting blades.Comfortable grip and wider retractable blade.

WIDELY USED：Ready to use, cut and toss or keep some around as a spare utility knife in your garage, tool kit, home and office.

MORE WIDER BLADE - Heavy Duty Ideal for Thicker Cuts. Use 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.

Multiple Applications: Snap-off utility knives are perfect for DIY projects, home renovation, warehouse work, and other cutting tasks. Whether you're cutting cardboard, paper, or other materials, these box knives will provide you with the cutting power you need. Plus, the 4-pack set ensures that you always have a knife on hand for any cutting task that comes your way.

Versatile Blade Sizes: This 4-pack box knife contains 2 utility knives with 18mm blades and the other 2 with 9mm blades, providing you with options for different cutting needs. The 18mm box cutter blades are perfect for heavy-duty cutting, such as cardboard, carpet, and leather. The 9mm blades are ideal for lighter cutting tasks, such as paper, and thin plastic. With those box knives, you'll always have the right tool for the job.

Durable and Long-Lasting: These utility knives are built to last. The high-carbon steel blades can maintain sharpness for longer periods of time. The ABS material also provides excellent resistance to impact and chemicals, making the knives even more durable. Plus, the snap-off design ensures that you always have a sharp blade at the ready, making these box knives a reliable tool for all your cutting needs.

Exactly what You Need: Economical and disposable box cutting blades.Comfortable grip and wider retractable blade.

Cutting with easy：Ready to use, cut and toss or keep some around as a spare utility knife in your garage, tool kit, home and office.

18MM WIDER BLADE - Heavy Duty Ideal for Thicker Cuts. Use 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.

【Packaging Includes】You will receive 2 utility knives of the same color, each retractable box cutter weighs 69.2 grams, the length is 5.8inch/14.8cm, and the wideth is 1.2inch/3cm. Every paper knife has undergone strict quality inspection, if you have any questions about our products, please feel free to contact us via email.

【Wide Application】Our box cutters are suitable for cutting a variety of materials, whether it is paper, cardboard, leather, woven fabrics, wool fabrics, plastic, PVC or foam, this box cutter knife can cut quickly. The box knife retractable is small and easy to carry, and it is also a good choice for outdoor travel.

【Heavy Duty & Ergonomic】As a heavy duty box cutter, the whole box knife shell is made of aluminum alloy, with non-slip rubber embedded on both sides. This box cutter retractable is lightweight and durable, ergonomically design, comfortable in hand. The curve of the retractable knife fits the line of the hand better, allowing you to easily grasp it firmly when you using.

【Cutting Work Efficiently】 The sharp SK5 alloy steel blades are strong hardness and wear resistance. It can help you cut quickly and efficiently to meet your daily needs and work needs. The retractable knife will be a good helper for your daily life and work.

【Blade Suspension Design】 A space is reserved between the blade and the shell to avoid the friction of the blade. The smart design can prevent the blade from wearing, keeping the blade always sharp, and also extend the service life of the razor blades utility knife.

【Comfortable Ergonomic Handle】 The aluminum alloy razor knife utility handle is wrapped in non-slip rubber, which is soft and absorbs sweat. The streamlined curved handle fits your hand, making you more comfortable to hold and saving effort when cutting.

【WHAT YOU GET】1Pcs utility knife retractable and 13 Pcs blades. If you have any question about this DIYSELF box cutters, please feel free to contact us. We will reply to you within 12 hours

【DURABLE & STURDY】 The razor blades utility knife's handle has a special non-slip design, is made of soft rubber and ABS plastic, with a thick body for added grip & stability, not easy to slip and ergonomically designed

【QUICK CHANGE BLADES】The box cutter retractable can be controlled with one hand, the blade stretches smoothly, perfect automatic locking design, easy to use. Press the button of the razor knife head to take out the blade and replace it with a new blade

3 Pack Box Cutters: The shell is made of ABS, silicone and alloy steel, with non-slip stripes, thickened scabbard, comfortable to hold. SK-5 high carbon steel blade is sharp and durable. Pefect as a gift for your father, husband or boyfriend

Replace Utility Knife Blades Easily: There is a metal piece in front of the black slider. Press the metal piece to take out the old blade. Press the black switch on the knife tail and pull it back at the same time to take out the blade storage box and install a new blade into it

Box Cutter Retractable: These box knives are retractable. You can push the black slider to extend and retract the blade. There are serrations on one side of the scabbard, it can fix the slider and automatically lock the blade

9MM BOX CUTTER: You will receive a set of six coloured utility knives that include red, yellow, blue, green, black, orange, simple and beautiful. It has a convenient ready-to-use retractable blade and smooth handle which has a comfortable grip. This box cutter is fit for home, office and school.

HIGH QUALITY MATERIAL: The outside of the utility knife is an ABS environmentally friendly handle, which is comfortable to hold for a long time without getting tired. Its inner blade is a specially treated high-grade carbon steel blade with high hardness, stable and safe cutting, and have a longer sharpening time.

UNIQUE DESIGN：Utility knives have an anti-shake clamping design and wave bayonet design, it's safer and more stable to use. The new push lock is easy to use and smooth to operate. The tail is equipped with a breaking function, when the blade becomes dull, the first section of the blade can be broken with the clipper at the tail end, which makes it comfortable for you to use.

PACKAGE CONTAINS: 1 retractable box cutter and 10 extra double-use blades. The utility knife has 8 different colors among which black, blue, green, orange, pink, red, silver and yellow for you. If you like our utility knives, please follow DIYSELF on Amazon, we will post new products from time to time.

HEAVY-DUTY & STRUDY: The boxcutter handle is made of aluminum alloy, durable and lightweight. The surface of each utility knife retractable is painted, smooth and bright. Not only is this rust-proof, it's very easy to find in a cluttered toolbox.

3 POSITION RETRACTABLE BLADE: This retractable utility knife is easy to use. Push the slider to release the blade, then you can decide the length of the blade according to your cutting needs. In addition, the blade is self-locking, so you don't need to keep pressing the slider when using it.

✅【Box Cutter Material】The SK5 high carbon steel blade, high hardness, ultra-sharp and durable. The surface of aluminum alloy handlethe is painted, exquisite and good workship.

✅【Pocket Knife Size】The folding utility knife is small and portable. The overall length of the box knife is 6.49''. The handle length is 4.13''. The blade' long side length is 2.36'', and the blade' short side length is 1.3''.

✅【Locking Mechanism Design】The black button on the handle is used to close and lock the front half of the knife, safe to use. The silver button of the blade hold is used to change the blade, convenient and fast.

【Cutting Work Efficiently】 The sharp SK5 alloy steel blades are strong hardness and wear resistance. It can help you cut quickly and efficiently to meet your daily needs and work needs. The retractable knife will be a good helper for your daily life and work.

【Comfortable Ergonomic Handle】 The aluminum alloy razor knife utility handle is wrapped in non-slip rubber, which is soft and absorbs sweat. The streamlined curved handle fits your hand, making you more comfortable to hold and saving effort when cutting.

【Three-Gear Design】 The first gear, you can quickly cut paper, wallpaper, plastic. The second gear, you can cut paper boxes, cloth and carve. The third gear, you can cut leather, rubber and carpet deeply. The box cutters utility knives can be used in various scenarios.