The ergonomically designed sure-grip handle, with full-stroke tease trigger throttle provides variable speed control, in addition to greater comfort and smooth operation. Swing arm lever adjusts power regulation forward/ reverse direction. This air impact wrench is equipped with a heavy duty hammer cage, over-sized internal bearings, and case hardened steel rotor and anvil. Designed for industrial duty, all of the features of this impact wrench work together to deliver rugged durability and performance, ensure extended tool life and to generate 425 feet per pound of torque. The downward air exhaust deflector routes exhaust air away from the user and the pressure fed lubrication system ensures smooth operation and reliable performance.