Stanley steelmaster claw hammers stanley 1 51 033 the steelmaster claw hammer has a heat treated and polished carbon steel head for strength durability and safety a seamless oval tubular steel shaft provides strength and balance and the vinyl soft grip ergonomic handle gives comfort and grip in useweight 570g 1 14 lb stanley 1 51 033 st1 steelmaster claw hammer 570g 20oz