HALDER SIMPLEX Locksmith Hammer 30mm CopperHALDER 3704.030 Locksmith Hammer 30mm Copper Simplex Shank FiberMakeup: two-piece malleable iron body, with both shoes and wooden handle. All parts interchangeable. Fastening by screw.Both obstructors hard copper.Head diameter: 30 mm Head length: 90 mm Total length: 300 mmWeight : 0.68 kg .