... Hardness: 50--58 HRC PIN standard 1) American type sledge hammer: 4oz, 8oz, 12oz, 16oz, 20oz, 24oz, ... ,000g, 1,500g, 2,000g4) Engineers' cross pein hammer: 14mm, 16mm, 18mm, 20mm, 22mm, 25mm 5) ... 14lb, 16lb, 18lb, 20lb7) Mason's hammer: 570g8) European type roofing hammer: 600g9) A613 axe: 500g, 600g, 700g ... , 3.5lbs, 4lbs, 4.5lbs, 5lbs 11) Handle: fiberglass, hard wood, hickory wood, steel tubular German ...