Update. After reading further on their website, it says I need a Return Merchandise Authorization Code. The lady I talked to before never said anything about this. I called and asked about it. The person who answered the phone this time says I need to talk to the shop I bought it from. I call the shop and that think that I am not adjusting it right (I am) they suggested that I tighten it so it is almost too hard to close the jaws. Not only does this hurt my hands but it also nicks the soft metal jaws. If I send the jaws to the shop I bought it from, they dictate whether the jaws need to be replaced, not Dyna King. Very unimpressed so far with my Dyna King.