SteeliteUtility knife Ceramic 18MM 1 Blade Extra

I like that it won’t rust.

These are perfect for what they are intended for! Super sharp and the tips break easy enough to replace but not too easily that they're useless

The build quality of the knife is average. Feels like cheaper plastic was used to build it. The blade is ceramic so it is not as sharp, but sharp enough to cut through cardboard and tape. The blade does move around when putting a lot of pressure on it so that might be a design flaw. Overall a 3/5 with it being useable for certain scenarios but also dangerous to use in others.

It's an interesting blade. These are sharp. Sharp enough to accidentally cut skin, but less so than other metal knife cutters I have.I tried these to cut the insulation off wire and found I could hold and cut the insulation but not cut my skin. This is something I wouldn't dare do with a regular knife blade. These also didn't seem to knick the copper wires under the insulation. Both being able to hold the wire, and not cut the copper is really handy though for how I tend to work.They seem to cut cardboard and tape just fine. And they would be safer than a metal box cutter. Tape doesn't seem to stick to the ceramic blade as much.I'll still be careful with these, but they fit a niche between extremely sharp and sharp enough to do the job.An extra blade is included and it can be stored in the handle by pulling off the butt-end, and pushing it under the installed blade. I expect that ceramic last much longer than metal blades, but time will tell.

I'm no box cutter aficionado. I have never replaced the blade on one of these before. But that is because the box cutters always belonged to someone else and I wasn't going to mess with their stuff. Now this is my own personal box cutter and I figured I should know how to do this, especially since this one came with a replacement blade and I didn't see an immediately obvious mechanism. After looking up how to do this online, I pulled off the bottom piece on the cutter and this easily allowed the blade to slip out. The piece was easy enough to remove, and also pretty easy to snap back on, and it didn't feel like there would be any issues with looseness later on. It's quite solid.The only reason I've taken one star off is that I have a concern with the lack of a blade-lock feature on the slide. Other box cutters I've used have a blade lock that enables you to, well, lock the blade into one position so it won't have any danger of getting pushed down into its sheath as you cut on something tough. It would also enable you to lock it in place when it was sheathed so there was no danger of the blade coming out when you weren't expecting it. This cutter doesn't have that feature, and while it hasn't been an issue yet, it does give me a small amount of concern. I am always careful around blades and I certainly wouldn't complain about having an extra safety feature.The blade was sharp and cut through a box easily. I like the feel of it in my hand and it does the job I need it to do. I'm also happy it comes with an extra blade, as I mentioned earlier. The white ceramic blade design is attractive and has a minimalist appeal with the simple brand logo printed in white on the back of the dark gray cutter casing. Functionally, this has worked well so far.