Chicago Pneumatic General Duty Air Impact Wrench, 3/4" Square Drive Size 100 to 950 ft.-lb.

These pistol-grip air-powered impact wrenches have a square drive and an extended anvil length to reach recessed spaces like those found on wheels with recessed hubs. They are full-size impact wrenches with high torque output. The pistol grip has a trigger that is pressed to activate the wrench. Pistol grips provide ergonomic handling when working on vertical surfaces from the user's waist to chest, horizontal surfaces at mid-thigh or lower, or horizontal surfaces directly overhead.