Sawtooth Blade Box Cutter

By Canary

Starting at $10.95

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These serrated box cutters make quick work of cardboard boxes, packing tape, and other shipping materials. The adjustable (to 18 positions) stainless steel blades are double-edged and have a non-stick coating to easily tackle the breaking-down job, and rounded tips prevents damage to the goods inside.

  • Materials: Stainless steel, ABS plastic
  • Includes one sawtooth blade box cutter and replaceable blade
  • Instructions for use: Push blade all the way out, then pull stopper away until it clicks. Use sawing motion to cut while directing blade towards desired cutting direction
  • 1" box cutter is pocket-sized; 3" box cutter clicks and locks at 18 different positions
  • Serrated double-edge blade allows cutting upwards or downwards
  • Fine sawtooth edge prevents blade from getting caught
  • Non-stick coating prevents tapes and adhesives from sticking to blade
  • Rounded chisel-edged tip prevents damage to inner content when opening packages and is useful for peeling labels, scoring, or making shallow cuts
  • Ergonomically-designed and -sized handle fits most hands comfortably
  • Fully-retractable blade for safe carrying
  • Ideal for cutting packaging straps, stretch wrap, cardboard boxes, and plastic tape
  • Wear safety gloves and goggles. Keep out of reach of children
  • Made in Japan
  • Dimensions: 1": 9.4" x 3.2" x 0.8"; 3": 9.4" x 3.2" x 1.0"
  • Weight: 1": 0.09 lb.; 3": 0.15 lb.

8 Reviews (4.3 out of 5 Grommets)

Sorted by Rating



Serrated blade is terrific - I cut up a lot of boxes and these are the best.


Great new tool


This far exceeds any other box cutter and package opener I have seen or used.


Great tool


It's so convenient to open boxes with the blade cutter. I order a great deal online and this tool saves my fingernails!




I work as a grocery stocker, so dealing with boxes all day. My store can get pretty busy with people not paying attention to anything, after the second instance of cutting myself on my old razor cutter (luckily not badly) when someone decided to shove me aside I saw this launch in my email that day--talk about good timing! I love it! The sawing motion can be a bit hard to get used to, but it can be used to slice thin tape normally. This cutter lends itself well to one-handed use and my manager loves the rounded tip; gets through tape and box seams without damaging the product (and most importantly I don't have to worry as much about nicking myself when someone knocks into me). The retractable blade is also good for scoring lines or just a straight edge if you need one.More > < Less


Perfect Package Opener


I love this utensil. I do a lot of online shopping and it just whips the boxes open in a flash. I got the small size and it is just fine. No more dull knives.More > < Less

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Canary v2

About Canary

Box Boss

The serrated box cutters from Canary blend utility with Japanese craftsmanship in well-made knives.

The blades set them apart from the typical ones. The fine, sawtooth, stainless steel edge takes down cardboard boxes and packing tape. Because they’re edged on both sides, you can cut upwards or downwards. And the smooth, rounded tip prevents unwanted damage on the goods inside the box.

The blades adjust to get the just-right length to tackle boxes, packing tape, straps, or even to remove labels. The non-stick coating keeps adhesives from gumming the blades up.

Each knife is made in Seki, Gifu, Japan, an area renowned for its long tradition of knife and cutlery craftsmanship. This heritage is apparent—these handy blades make everyday cutting tasks a lot easier.