rock hammer 1. Silenced type/box type; 2. Tool Diameter=180mm; 3. ... impact rate and powerful force;Applicable to various kinds of rock, cement, and ore operation.PARAMETERSAPPLICABLE CARRIER WEIGHTDOOSANDH420, DH500HYUNDAIR505, R4700LCKOMATSUPC450, PC500HITACHIZX450CAT245 ... , please feel free to ontact us timely. SANHA S180S hydraulic rock hammer price