Hydraulic Impact Wrench, Quick Change Adapter Adapter, 1/2 inch Square, 400 ft-lb Torque, 2,000 psi Max H8508-1V New These impact wrenches connect to a hydraulic pump and convert fluid pressure into force to tighten and loosen fasteners or drill holes. They initiate impact force when they encounter resistance and deliver the force in bursts to reduce stress on the tool operator. Their chuck holds drill bits and screwdriver bits, and it accepts an adapter to hold impact sockets and nut runners. change Adapter, 1/2 inch Square, 400 ft-lb Torque, 2,000 psi Max. جديد لم يستخدم. جودة عالية على السوم.