... pressure:6-8kg/cm2*air consumption with no load:149L/minSPECIFICATION :1/2" air impact wrench set*1/2" air impact wrench*1pc extention ... bar*1pc mini oiler*1pc air ... nipple*10pcs sockets set;socket size:9,10,11,13,15,17,19,22,24,27mm Twin Hammer Type Air Impact ...