Machinist's hammer U.S. non sparking ReferenceAlloyWeightLength (L)001107 BeCu 280 mmMachinist's hammer U.S. Beryllium copper 230 g 230 g 280 mm 016007 AlBr 280 mmMachinist's hammer U.S. Aluminium bronze 230 g 230 g 280 mm 001108 BeCu 280 mmMachinist's hammer U.S. Beryllium copper 340 g 340 g 280 mm 016008 AlBr 280 mmMachinist's hammer U.S. Aluminium bronze 340 g 340 g 280 mm 001109 BeCu 310 mmMachinist's hammer U.S. Beryllium copper 450 g 450 g 310 mm 016009 AlBr 310 mmMachinist's hammer U.S. Aluminium bronze 450 g 450 g 310 mm