... , shipped, installed and maintained easily*Hammer is composed of hammer bady, chopping block, driver, operation, lubricate, ... , base UNITC41-16 kgMax. hit energykj0.18Height of working area mm180Hit number min-1260Max. square steel ... *390*952 AccessorySerial numberdescriptionquantitymaterialremark1Piston ring of working jar2HT20-402Piston ring of compress jar2HT20-403Motor wheel1HT20-404bolt4Including ...