OH Soft Iron Hammer, Designation: #1 SI-10

●Can strike hardened steel without scratching it. ●Designation: #1 ●Total length (mm): 320 ●Head diameter (mm): Φ25 ●Head length (mm): 88 ●Head weight (kg): 0.4 ●Total weight (kg): 0.5 ●Material: Carbon steel S25C for mechanical structures (unrefined) ●Head hardness HB (°): 140