... Pneumatic Tools,Air Wrenches,1/2" Heavy Duty Air Impact Wrench Kit17PC 1/2" HEAVY DUTY AIR IMPACT WRENCH KITSUPPLIER NO.: AT-IW04ZDESCRIPTIONKit including 1/2" heavy duty air impact ... bar, oil pot and etc.1PC-1/2"heavy duty air impact wrench AT-IW0410PC-air sockets:9,10,11,13,14,17,19 ... 7,000rpmMax.Torque:400ft-lb/542NmAir Inlet (PT):1/4"Air Hose(ID):3/8"Avg. Air Consumption:8cfmWorking Pressure:90psi