It was great at first, easy to install onto my OLFA totters cutter, sharp and cut with ease. However, after only a few hours of cutting fabric, it became dull and I had to exert more pressure to cleanly cut through more than one layer of fabric. I’m on my second blade and it still did not maintain its original sharpness for very long. I haven’t yet changed the blade but I do have to apply a significant amount of pressure at this point (it’s at the two week point) even for a single piece of fabric. The only good thing is that it came with multiple blades. My advice, spend a little more money on a higher quality blade replacement.