<ul><li>Square Drive: 1/2 Inch</li><li>Capacity Bolt Size: 1/2 inch or 13 mm</li><li>Speed: 160 RPM</li><li>Max. Torque : 50Ft-Lb or 68 N.m</li><li>Air Inlet (NPT) : 1/4 Inch</li><li>Air Hose(ID) : 3/8 Inch</li><li>Air Cons: 3 cfm or 85.5 Litres/min</li></ul>