The 567g(20oz)Vaughan Steel Eagle Claw Hammer is a one-piece forging of high quality, high carbon steel. It has perfect balance with improved geometry for control. The head incorporates an integral shock block, made of hickory and specially formulated rubber. This block absorbs most of the shock of the hammer blow, with the rest absorbed by the unique air cushion grip. The exclusive air cushioned, slip-resistant grip provides extra comfort and security. This hammer comes with a free Punch Set, fitted with a 2-component grip in the following sizes: 0.8mm (1/32"), 1.6mm (1/16") and 2.4mm (3/32").