Chicago Pneumatic Tool CP7769 Heavy Duty 3/4-In. Impact Wrench - Pneumatic Tool with Lightweight Composite Housing. Power and Hand Tools Wrench Features: Adjustable torque wrench comes with a ring retainer and additional hole retainer. This -in. torque wrench is equipped with a low air consumption motor that saves energy. Powerful and Lightweight Tool: Air-powered wrench has a magnesium clutch housing while the handle and clutch are made using the lightweight composite material. High torque wrench provides a powerful impact for general maintenance activities. Easy-to-Use: Air wrench features a full teasing trigger to provide precise control. Pneumatic torque wrench is equipped with an insulated and lightweight composite handle for maximum operator comfort. Lightweight Hand Tool: Air wrench weighs 7.4 lbs. Power wrench features a simple one-handed forward-reverse switch for easy, lightweight handling. Specifications: Impact wrench provides 1440 ft. lbs. of maximum torque with a free speed up to 7000 RPM. Pneumatic tool measures 10 x 6 x 5 in.