Chicago Pneumatic CP734H Air Impact Wrench (1/2 Inch), Air Impact Gun Industrial Repair & Assembly Tool, Pistol Handle, Pin Clutch, Max Torque Output 452 ft. lbf/576 Nm 8400 RPM

Metal / Plastic Imported Dyna-Pact oil bath clutch delivers smooth operation One hand push-button forward/reverse 4 positive power settings; full power in reverse Handle exhaust directs air away from the workpiece and operator CP Classic Tool- comes with a 2 year warranty standard!