3/4" Heavy Duty Pneumatic Impact Wrench Twin hammer mechanism Handle exhaust Super power for car tire maintenance & assembly line Square Drive (inch)Capacity Bolt SizeFree Speed (r.p.m)Max. TorqueOverall LengthAir Inlet (PT)Air Hose (I.D.)Net WeightPacking Pcs/Ctn/Cuft’inchmmft-lbN.minchmmlbskgs3/4"0.8321500095613008.662201/4"1/2"10.174.606pcs/ctn/1.47’ 3/4" Heavy Duty Air Impact Wrench