I used this blade on a high frequency saw, the original blade didn't last long. I bought this device based on the positive reviews and now I want to add the positives. I made hundreds of cuts before changing blades. Actually the blade I took out was still a shank, I just realized it was taking a little longer and I figured it's more than paid for itself, it's time for them Retired.Part of the reason why I get a lot of cuts is that I use cutting fluid for all my cuts.