Chicago Pneumatic CP7763 3/4-Inch Super Duty Air Impact Wrench 1200 Ft. Lbs. of Torque - power to loosen the toughest fastener Weighs less than 12 lbs. - comfort over long periods of use 6 vane motor for speed - power with any 1/2-Inch hose air supply Twin Hammer high performance clutch - longer life under tough conditions Ergonomic handle exhaust keeps exhaust air away from the operator