
Don't waste your money. It's hard to believe that this is real hard metal. I hope you can enlarge the picture. This is what it looked like after trying to drill through 57 HRC stainless steel for ten seconds. Not even a small dent remains. I attached it, used a real carbide drill and drilled through the steel in ten seconds. I use carbide every day and this is the worst example I have ever seen. Maybe what I received was defective, but I want to use a familiar tool, pay more and end up saving money. I'm so tired of the fakes, low quality and misrepresentation that seem to be infiltrating the Revain market.