Sounds and looks like a winner, though as others have said a tad expensive to be experimenting with. Point being I went from 125 gr wasp hammers to 100 gr, Now I just got in the 100 gr jackhammers and the new slicktricks. All within 2 months. see what I mean. Also the only person saying you could only use them once was WashingtonHunter, (no offense)Which he said he had heard. So no one posted that they for a fact know, it's all been 2ndparty hearsay.