... standard 1) American type sledge hammer: 4oz, 8oz, 12oz, 16oz, 20oz, 24oz, 32oz, British type Claw hammer : 21mm / 23mm / 25mm / 27mm / 29mm American type claw ... type Stone hammer: 1kg, 1.25kg, 1.5kg, 2kg German type stone hammer: 0.8kg, 1kg, 1.25kg, 1.5kg, 2kg Japanese type stone hammer: 1kg, 1.25kg, 1 ...