OLFA 18mm Heavy-Duty Snap-Off Blades (LB-10B) - Japanese Steel, 10 Blades

I really like my Olfa knife and these blades fit perfectly and last a long time. When I damage the blade I simply break off a segment start fresh. As advetised.

I give 5 stars when the description is accurate and I have no negative feedback. Good price. Good quality. Very sharp. Will buy more when I run out.

Best knife ever! We watched some YouTube videos to get some tips on insulating a basement. The guy on the videos we watched highly recommended this knife for cutting insulation. We used Rockwool. It does a great job and we highly recommend it.

They are very sharp and better quality.

I little difficult to advance the blade, otherwise fine.

Great blades work well.

I’ve been using these for years, the Olfa knife I use these in are better than any ordinary utility knife. Easy to use, quick to break off when they become dull, carefully of course.

Nice Knife. I am a woodworker and use this type of knife for many purposes. Holds up nicely to my varied uses. Oddly enough, I have an Olfa Knife that I bought in decades ago that is still in perfect condition, after all these years.

With over thirty-five years of experience working with Olfa knives, I can honestly say they make the best utility and specialty knives in the world. This 10 pack cost less than the local hardware store and are 100% OEM original blades. Sharp enough to shave with and the snap-off feature is a huge bonus. You always have a sharp tip and blade without fiddling around replacing blades on "safety knives" with single blades and silly screws and auto-retracting blades. An excellent product at a good price.

have always used these blades and they are excellent although they have doubled in price since I last bought them !

These are great blades , very sharp

After much hemming and hawing over the many Olfa-compatible snap blades on Amazon, I am glad I settled on these ones. They're exactly the correct fit for both my utility knives (see photo), one an actual Olfa and the other some random off-brand of long-forgotten provenance. I've had them both for years and they were rusty and down to their last segment; now they both feel like brand new knives. These replacement blades are well packed for storage and 8 should last my two knives for years. Amateur tip: it turns out "18mm" refers to the vertical height of the blade, perpendicular to the cutting edge. I had to slide my existing blade out the back to measure it accurately due to the remainder being too short to measure vertically out front.

They're completely fine replacement blades. I feel they get dull a bit too fast (mostly using on cardboard boxes), but don't really have anything to compare them to.