Features: steel angle head aluminum housing ergonomic composite grip grade 5 bolt capacity: 7/16 11 mm drive size: 3/8 10 mm maximum torque: 50 ft lb 68 nm free speed: 185 rpm weight: 2.6 lb 1.2 kg length: 10.8 274 mm air inlet size: 1/4 npt recommended hose size: 3/8 10 mm air consumption: 3 cfm 85 l/s avg. 12 cfm 340 l/s max.