Texturing Hammer Checker and Wide Stripe. Texturing hammers for non-ferrous metals. Thesedouble-sided hammers enable the you to make attractive patterns to give jewellery and other metal items a special look. Two different patterns on thehammer. Just place sheet metal on a flat metal block or anvil and strike sharply. In no time you will have interesting patterns.The hammer has a Rockwell hardness of 48, and the more the hammer is used, the more interesting the patterns become.