US PRO 3/4"dr Industrial air impact wrench 880 ft/lb Gun B8521

Square drive? 3/4"
Free speed: 4600r.p.m
Bolt capacity: 22mm
Max.torque: 1200Nm (885ft-lb)
Hammer mechanism: Twin hammer
Air inlet: 3/8"
Air pressure: 6-8kg/cm2
Air length 1.5"
Moment bound: 500-1100 N.m