Surface treatment Good quality & competitive price TUV/ GS ceritificate / ISO9001:2000 Hardness: 50--58 HRC PIN 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 hammer: 8oz, 12oz, 16oz, 20oz, 24ozSpanish type claw hammer: 500g, 600g, 700gItaly type claw hammer: 300g, 400g, 500g, 600g, ...