Best Nt Cutter Utility Knives in 2026

Heavy Duty utility knife: Metal, durable design with rubber grip allows for a long lasting, extremely durable cuts and slices on boxes, plastic packaging, and straps. Includes 2 premium utility knives. Perfect box cutter knife

Retractable & Adjustable Blade : Razor simply slides open for exact cuts. Blade easily retracts to lock safely within metal frame when finished using

Quick Release: When razor needs to be replaced, simply extend the razor blade all the way, press the red button and remove the razor blade. Insert the new razor while pressing down the red button until secure

Standard duty rust resistant stainless steel snap off blade knife

Blade Size: 9mm

30 degree blade

Powder coated finish

Economical

Easy To Use

Safe to use. This knife cutter features a quality steel handle and anti-slip ABS grip which provides more security for you. The ergonomic curve of the handle fits your hands. No need to worry about the blade slipping from your hand while working. Also, our razor knife is built with a back lock that safely keeps the blades in place when in use, which also allows one-hand easy opening and closing.

Quick-change mechanism. Your brand-new work knife comes with an easy blade release mechanism that allows you to safely change the blades and helps prevent injury. Just push the head cover of the blade and drop down the cover of the blade. Our utility knife is compatible with most standard-sized utility knife blades for extra convenience.

Portable & lightweight design. Our box cutter knife is lightweight and compact which makes it easy to take anywhere. It comes with a belt clip so you can quickly clip it on and off. Carry it with you on your belt, in your pocket or in your bag so you’ll always have it when needed. You can store up to 5 extra blades in the handle.

Top Button: Self-retracting action returns blade safely into the body when not in use

Side Button: 3-position for blade locking and 1-position fully closed

Ergonomic grip design, die-cast aluminum curved body design for comfort, control and balance

Auto-retractable Blade is safely hidden when not in use (Must Hold Rubberized Slider Button While Cutting)

Zirconium Oxide Ceramic Blade with Rounded Tip for Safety = Non-Conductive, Anti-Magnetic, Never Rusts, Chemically Inert (No Oil Coatings) + Stays Sharp Up To 10X Longer Than Steel Blades

1 Slice Ceramic Blade = Up to 20 Metal Blades = Less Blade Changes = Less $$$ = Less Downtime = Less injuries + Simple No Tool Blade Change (Replacement SKU# 10404 or 10408)

SLICE HAS SOLD OVER 10 MILLION UNITS: One of Slice's Best Sellers for 10 Years! Over a Million Units Sold, which means a Million Hands have safely cut and opened all different types of packaging.

PERFECT FOR: Opening dog food, sugar, rice, and flour, Cutting packing tape, cardboard and plastic containers. Slicing food packaging, wallpaper for DIY projects

THE POWER OF ZIRCONIUM OXIDE CERAMIC BLADE - NEVER RUSTS: Ceramic blade cuts thin materials effectively while safeguarding fingers with our signature finger-friendly edge. Lasts 11x Longer than Metal.

【Humanized Design】Ergonomic box cutters handle, relieve your fatigue when you work; box cutter knife with perforated, you can easily take the it away or hang it up

【Anti-Slip Design】Utility knives handle is wrapped in rubber, soft and comfortable to grip, and gives you a firm hold in any situation, provide you with more convenience

【Quick Change Mechanism】Push the cutters blade out, and quick release button for easy and safe blade change, press and hold the release button to remove the dull box cuter blades and insert a new one

High Quality & Durable: Using high quality carbon steel material. Providing a long life using, help you spend once but save more money.

Universial Size: Our 9mm repalceable blades fix for common utility knives and craft cutters. Lockable Cap:Plastic box with a lockable cap which help avoiding accidental injury,keep safety.

Great Design: Snap- off design, 13 sections,you can adjust the length as you want , our product could meet all your need when place it onto your knife.

【What You Will Get】40 pcs economical and practical retractable utility knives(red, yellow, blue, green). And every box cutter knife is equipped with 9mm wide snap off blades, keep sharp for a long time. You deserve to choose them!

【Retractable Box Cutter】 The box cutter is equipped with a retractable mechanism, which can retract smoothly, and the slider also can lock the position of the blade. In this way, this utility knife can fully meet the needs of daily cutting work.

【Meet Different Needs】 The box cutter knife can cut corrugated paper, leather, wallpaper, foam box, woven bag, carton. Moreover, it can quickly and easily cut the tape and open the box, saving a lot of energy and time.

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.

Model: h1310508

Made in: PVC

Circular Cutter

Box Cutter Utility knives are made for home, office, commercial

Overall length is 5", when blade is fully retracted. 7" when blade is fully extended.

Safety lock keeps blade securely fixed on desired position

18MM SK5 Blade: WORKPRO utility knife are made from SK5 steel, which is greater in edge retention, thickness, sharpness and durability. Each knife blade is made up of 8 parts, if the blade is worn, it can be snapped off along the scratch with the plastic groove at the bottom, revealing the new sharp edge. 18mm wider knife blade for deep and easy cutting. It can complete most cutting tasks, including paper, photos, plastic, cardboard, fabric, and foam board.

Easy to Use: The snap on box cutter is equipped with a retractable mechanism, which can retract smoothly. This razor knife also comes with an additional 10 SK5 knife blades. You just need to remove the tail cap, pull out the knife blade with the slider and replace it with a new one. A carrying box for convenient storage and safer access to the blade.

Safety Lock: The sharp knife blade is fixed in the knife rail, providing strong support for the blade cutting. There is an automatic safety lock plate inside the razor knife, which can lock the retractable box cutter in the required position, prevent it from loosening during use and improve safety, and the size of the slider fits your finger for easy one-handed operation.

DURABLE MATERIAL - Sharp box cutter blades made with SK5 high carbon steel have a superior level of hardness and are able to hold a sharp edge for longer and make it a good selection blade. Compatible for all standard 9MM utility knife.

FLEXIBLE SIZE - BL-9A Universal Art knife replacement blades have 9mm W x 73mm L x 0.40 mm. Got 10 boxes in 100 pack breakable razor blades - 30 degree, Each box contains 10 blades. Plastic box with a lockable cap which helps avoiding accidental injury.

SHARP SNAP-OFF SEGMENT - Each cutting blade has a sharp segment. When you feel the blade edge become dull, easily snap off a section of the blade and get a sharp edge without replacing hobby knife blades. 30 degree blade perfect for crafts that help to provide precision and craft cutting.

Total length (mm): 157

Applicable replacement blade: BL-10P / BL-50P

Blade thickness: 0.45 mm

Total length (mm):156

Blade thickness : F0.45mm

Body: Aluminum die casting. Blade: Alloy tool steel (SKS 81)