“After trying a box of these blades out, they are the only blades I use now. They out last the razor 7 blades by maybe 8 to one. Meaning I will only use one stellite blade for every 8 of the other blades. Even when they get dull they do not waver like other blades and you can keep cutting. I've hit 3 small nails in a log with this blade and it still cuts and does not waver. So I get a lot more life out of these blades for money. Any other blade hits a nail, its done for the day. I have been very impressed with these blades and they are the only blades I use for cutting hard woods. Highly recommended.”