Forging / Superior Alloy Steel / Production Type: COP, DHD, MISSION, SD, QL, WOOKE / Hammer Size: 2", 3", 4", 5", 6", 8", 10", 12" / External Dia.: 70mm, 80mm, 99mm, 126mm, 144mm, 182mm, 220mm, 270mm / Apply to: Surface and underground mining, Tunneling, Quarries, Dam construction, Construction, Geological exploration, Water Well / Certification:ISO9001:2008 / Feature: Optimized structure and Heat treatment reduces consumable and wear, but increases penetration speed 10%-30% than other similar hammers, and longer working life / emma(at )wooke(. )com / Perfectly compatible with the famous brands such as Atlas Copco, Ingersoll-Rand, Sandvik and other well-known brands