Features and Benefits: * Lightweight composite housing * Energy efficient motor for a long lasting life * Ergonomic and evenly balanced * Twin Hammer * One year replacement warranty Max. Torque: 750 ft./lbs Free Speed (RPM) 11,000 Min. Housing Size: 1/2" (10mm) Length: 6.56" Average Air Consumption (CFM): 4.0 Weight: 2.38 lbs.