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Slice - 10400 Box Cutter, 3 Position Manual Button with Ceramic Blade, Locking blade

4.6 4.6 out of 5 stars 4,233 ratings

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Locking Blade
1 Box Cutter

Purchase options and add-ons


About this item

  • 3-position manual slider button allows blade to stay locked in 3 positions (fully extended blade, semi-protruding blade, fully hidden blade)
  • 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 downtime = less injuries + simple no tool blade change (replacement sku# 10404 or 10408)
  • ceramic blade only protrudes 1/2" - designed primarily for cutting corrugated packaging, foam, vinyl, boxes, cardboard, etc
  • to cut paper and thinner items please try the slice 00116 precision cutter or 00100 safety cutter or use the pointed blades 10408
  • innovative box cutter
  • stylish, durable, and safer to use than traditional utility knives

Customer ratings by feature

Maneuverability
4.6 4.6
Easy to hold
4.6 4.6
Sturdiness
4.6 4.6
Ergonomic
4.5 4.5

Frequently bought together

$16.99
Get it as soon as Sunday, Mar 31
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$12.34
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From the brand


From the manufacturer

THE CURE FOR WRAP RAGE
Blades for every cut

3 position manual slider

one handed operation

finger friendly blade

1% for Autism
i love how the blade is only long enough to open the boxes
sadasslice box cutter ceramic warehouse home work safety osha
sadasslice box cutter ceramic warehouse home work safety osha replacement blades sadasslice box cutter ceramic warehouse home work safety osha replacement blades sadasslice box cutter ceramic warehouse home work safety osha replacement blades sadasslice box cutter ceramic warehouse home work safety osha replacement blades sadasslice box cutter ceramic warehouse home work safety osha replacement blades sadasslice box cutter ceramic warehouse home work safety osha replacement blades
Slice 10404 Replacement tools - Round Tip Slice 10408 Replacement Tools - Pointed Tip Slice 10513 Pen Cutter Slice 10514 Mini Box Cutter Slice 10550 Utility Knife Slice 10585 Manual Carton Cutter
Customer Reviews
4.6 out of 5 stars
1,375
4.6 out of 5 stars
1,375
4.4 out of 5 stars
10,959
4.0 out of 5 stars
369
4.6 out of 5 stars
938
Compatible With #10512 / #10513 Pen Cutters, #10475 / #10476 Slim Pen Cutters, #10514 / #10515 Mini Cutters, #10400 / #10503 Box Cutters, #10495 EDC #10512 / #10513 Pen Cutters, #10475 / #10476 Slim Pen Cutters, #10514 / #10515 Mini Cutters, #10400 / #10503 Box Cutters, #10495 EDC 10404, 10408 10404, 10408 10404, 10408 10404, 10408

Product information

Technical Details

Additional Information

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Slice - 10400 Box Cutter, 3 Position Manual Button with Ceramic Blade, Locking blade


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Product Description

The slice® box cutters revolutionized safety with their ceramic safety blade and unique handles. The safer ergo handle wraps around your hand, protecting you while providing the perfect angle to expose only as much blade as you need. Our finger-friendly blades lasts longer and don't require a sharps disposal box. Suitable for single- and double-walled corrugated. slice® donates 1% of sales to Autism research related charities.

Customer reviews

4.6 out of 5 stars
4.6 out of 5
4,233 global ratings

Customers say

Customers like the sharpness, ease of use, quality and safety of the utility knife. For example, they mention it cuts through boxes like butter, it's very easy to hold and use, and it excels in every respect. That said, some are happy with appearance, and versatility. That being said, opinions are mixed on durability, and value.

AI-generated from the text of customer reviews

254 customers mention181 positive73 negative

Customers like the sharpness of the utility knife. They say it cuts well, makes cutting boxes 10 times easier, and the blade is good. Customers also mention that it allows them to cut heavy cardboard without fear of cutting themselves.

"...Overall I think this device is pretty nice. It is definitely a good utility knife to have around as it is safe, sturdy, and cuts through packaging..." Read more

"...how sharp the blade remains even after prolonged use, providing consistent cutting power without the need for frequent replacements...." Read more

"...When I received mine the "blade" wasn't as sharp and didn't perform as well as hers so I had to invest in a package of the expensive blades to..." Read more

"So helpful for opening packages. Works well. Easy to use. Not sharp or dangerous." Read more

241 customers mention213 positive28 negative

Customers find the utility knife easy to hold and use. They say it's ergonomic, convenient, and comfortable to hold. The design makes it easy to work with and keeps your hand protected. Customers also mention that the knife is accessible and helps them get rid of boxes asap.

"...Again the blade has yet to have issues. The grip is pretty secure and there is a belt hook so you can put it on your belt without worrying about it..." Read more

"...The locking mechanism adds to the overall stability and ease of use, making my cutting tasks efficient and precise...." Read more

"So helpful for opening packages. Works well. Easy to use. Not sharp or dangerous." Read more

"...It's very easy to hold and use. Try it! You'll love it!!" Read more

155 customers mention147 positive8 negative

Customers are satisfied with the quality of the utility knife. They mention that it works well, excels in every respect, and is safe enough for kids to use. The ceramic blade makes it easy and safe to use, and it works fairly well on Amazon box tape. Overall, customers find it to be a very helpful tool for opening and breaking down boxes.

"So helpful for opening packages. Works well. Easy to use. Not sharp or dangerous." Read more

"...This tool is fantastic and the ceramic blade makes it safe enough for kids to use. Makes quick work of opening or flattening boxes...." Read more

"Best, comfortable box cutter I’ve ever owned." Read more

"Does what it says, and it's a lot better than clunky (and more dangerous) box cutters or scissors. Opens boxes easily and even helps break them down." Read more

132 customers mention126 positive6 negative

Customers are satisfied with the safety of the utility knife. They mention that it is much safer than other box cutters, it is easy to hold, and it keeps their hands protected. They also appreciate the rounded blade and the easy and safe retractable build of the blade.

"...It is definitely a good utility knife to have around as it is safe, sturdy, and cuts through packaging tape without worrying about cutting yourself." Read more

"...Its durability, safety features, and longevity make it a cost-effective choice compared to traditional box cutters that require constant blade..." Read more

"...since I already had good utility knives, but this is so much nicer and safer. Nice for people who don't have strong wrists...." Read more

"...This tool is fantastic and the ceramic blade makes it safe enough for kids to use. Makes quick work of opening or flattening boxes...." Read more

82 customers mention65 positive17 negative

Customers like the appearance of the utility knife. They mention that it looks good, has a high point, and is comfortable and safe to use. They also love the color, saying that it's the same color as their other tools. The handle is simple and functional, making it easy to carry. Customers also say that the color helps keep track of the knife.

"...The orange color is not bad but it see darker near the tip piece. Because it has no real metal, it is not prone to rusting...." Read more

"...Good design and idea, maybe needs a little more finessing." Read more

"This item is really nice and convenient to use. I plan on giving this item as Christmas gifts." Read more

"...flat surface from which the blade protrudes is big which has a VERY nice effect...." Read more

56 customers mention56 positive0 negative

Customers find the utility knife versatile and easy to use. They say it makes recycling boxes and packages easier than ever. Customers also say it's a fantastic tool to have for opening boxes and makes opening packages easier. They mention that it opens the majority of packages with one swipe, is convenient, and is perfect for opening Amazon packages.

"...This versatility comes in handy when I have different types of materials to cut, as I can switch between shallow and deep cuts with a simple press..." Read more

"So helpful for opening packages. Works well. Easy to use. Not sharp or dangerous." Read more

"...Luckily my wife thinks it's great for opening boxes and packages at home!" Read more

"It's great for opening boxes and tearing them apart for recycling. It's much easier than using a knife." Read more

133 customers mention58 positive75 negative

Customers are mixed about the durability of the utility knife. Some mention that the blades are pretty durable if you don't twist them, the ceramic blade should last all but indefinitely, and the quality is excellent. However, others say that the knife is well made, but the blade doesn't come out very far and is brittle.

"...It’s done for tape, but not for breaking down boxes if you need to cut the anctual box. Other buyers have commented on this also." Read more

"...It is definitely a good utility knife to have around as it is safe, sturdy, and cuts through packaging tape without worrying about cutting yourself." Read more

"Works great but the blade doesn't stick out very far making it hard to work with at times." Read more

"...Its durability, safety features, and longevity make it a cost-effective choice compared to traditional box cutters that require constant blade..." Read more

93 customers mention29 positive64 negative

Customers are mixed about the value of the utility knife. Some mention it's worth every penny, making unpacking easy, and less expensive in the long run. However, others say that it'll be useless for them, disappointing in quality and performance, and not suitable for some jobs.

"The box cutter worked OK but really did not offer any real advantages over a regular box cutter even though it was significantly more expensive than..." Read more

"...my disappointments noted in all of the above, this price-gouging is no longer acceptable...." Read more

"...Its durability, safety features, and longevity make it a cost-effective choice compared to traditional box cutters that require constant blade..." Read more

"...I'll probably return the thing. Great idea, poor execution. I wish it had a real metal blade - that would be worth the price." Read more

Makes quick work of opening boxes, safe to use. Not the best for cutting into cardboard
5 Stars
Makes quick work of opening boxes, safe to use. Not the best for cutting into cardboard
This is a good safe knife to use when you are trying to cup open boxes. I normally need one that can be used to cut boxes to make them easier to throw away. It makes quick work of cutting the packaging tape but it is safe enough to not cut you which is good. Regardless it safety retracts and stores the plastic blade. You have to actually press and hold the button down to extend and retract the blade. This makes it so the knife cannot close by itself by accident when you are cutting. You can flip the blade around but the material has yet to go blunt. The blade itself can also be easily replaced all you need to do is press and unlock the cover to expose the blade. You then can replace it with a new blade. You need to replace it with a slice blade. What is nice about this blade is that only half it is actually out so when the one side gets dull you just need to turn it around and presto you have another blade to use. Again the blade has yet to have issues. The grip is pretty secure and there is a belt hook so you can put it on your belt without worrying about it falling off. You have to find some kind of ring or hook to attach to it though. It is not included. This can cut most small boxes as well as tape which is great for me because I always have a ton of boxes and mailers I need to open. The orange color is not bad but it see darker near the tip piece. Because it has no real metal, it is not prone to rusting. This means it can get wet and you can easily clean/dry it out without fear of damaging it. Overall I think this device is pretty nice. It is definitely a good utility knife to have around as it is safe, sturdy, and cuts through packaging tape without worrying about cutting yourself.
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Top reviews from the United States

Reviewed in the United States on July 25, 2022
Color: Locking BladeSize: 1 Box CutterVerified Purchase
Customer image
5.0 out of 5 stars Makes quick work of opening boxes, safe to use. Not the best for cutting into cardboard
Reviewed in the United States on July 25, 2022
This is a good safe knife to use when you are trying to cup open boxes. I normally need one that can be used to cut boxes to make them easier to throw away. It makes quick work of cutting the packaging tape but it is safe enough to not cut you which is good. Regardless it safety retracts and stores the plastic blade. You have to actually press and hold the button down to extend and retract the blade. This makes it so the knife cannot close by itself by accident when you are cutting. You can flip the blade around but the material has yet to go blunt. The blade itself can also be easily replaced all you need to do is press and unlock the cover to expose the blade. You then can replace it with a new blade. You need to replace it with a slice blade. What is nice about this blade is that only half it is actually out so when the one side gets dull you just need to turn it around and presto you have another blade to use. Again the blade has yet to have issues. The grip is pretty secure and there is a belt hook so you can put it on your belt without worrying about it falling off. You have to find some kind of ring or hook to attach to it though. It is not included. This can cut most small boxes as well as tape which is great for me because I always have a ton of boxes and mailers I need to open. The orange color is not bad but it see darker near the tip piece. Because it has no real metal, it is not prone to rusting. This means it can get wet and you can easily clean/dry it out without fear of damaging it. Overall I think this device is pretty nice. It is definitely a good utility knife to have around as it is safe, sturdy, and cuts through packaging tape without worrying about cutting yourself.
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30 people found this helpful
Report
Reviewed in the United States on July 25, 2023
Color: Locking BladeSize: 1 Box CutterVerified Purchase
31 people found this helpful
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Reviewed in the United States on March 9, 2024
Color: Locking BladeSize: 1 Box CutterVerified Purchase
Reviewed in the United States on February 19, 2024
Color: Locking BladeSize: 1 Box CutterVerified Purchase
Reviewed in the United States on August 27, 2022
Color: Locking BladeSize: 1 Box CutterVerified Purchase
12 people found this helpful
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Reviewed in the United States on February 5, 2024
Color: Locking BladeSize: 1 Box CutterVerified Purchase
One person found this helpful
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Top reviews from other countries

Translate all reviews to English
Kr1KrK
5.0 out of 5 stars Duży dobrej jakości nóż do otwierania pudełek.
Reviewed in Poland on March 24, 2023
Color: Locking BladeSize: 1 Box CutterVerified Purchase
Customer image
Kr1KrK
5.0 out of 5 stars Duży dobrej jakości nóż do otwierania pudełek.
Reviewed in Poland on March 24, 2023
Noża używam już trochę i na pewno spełnia swoją rolę. Nie można jednak go traktować jak zwykły metalowy nóż. Ostrze jest ceramiczne i nie jest ostre. Jest ono wykonane oczywiście tak specjalnie, aby chronić produkty znajdujące się w opakowaniu. Idealnie nadaje się w związku z tym do przecinania taśmy, otwierania pudełek, ale mocniejszych opakowań nim nie otworzymy.
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Marras Giampaolo
5.0 out of 5 stars Comodo
Reviewed in Italy on March 15, 2023
Color: Locking BladeSize: 1 Box CutterVerified Purchase
H. Bolle
5.0 out of 5 stars Paket-Öffnen leicht gemacht
Reviewed in Germany on July 16, 2019
Color: Locking BladeSize: 1 Box CutterVerified Purchase
One person found this helpful
Report
Jakkaro
5.0 out of 5 stars Five Stars
Reviewed in the United Kingdom on April 7, 2018
Color: Locking BladeSize: 6 PackVerified Purchase
Scott
5.0 out of 5 stars もっと早く買っておけば良かった
Reviewed in Japan on January 28, 2022
Color: Locking BladeSize: 1 Box CutterVerified Purchase
One person found this helpful
Report