A powerful air impact wrench with 3/4\" drive and robust composite body The Draper 48413 is an expert quality air impact wrench containing features such as low vibration high torque twin hammer action with easy forward and reverse one-hand operation. It has a 3/4\" square drive and comes fitted with a rotating air inlet preventing air line tangling. The composite body makes it lightweight yet rugged. Features: Expert quality, lower noise, low vibration high torque twin hammer action with easy forward and reverse one-hand operation Fitted with rotating air inlet preventing air line tangling The composite body makes this a lightweight but rugged tool which reduces operator fatigue and the \'cold sink\' effect Specification: Ultimate torque: 1627Nm (1200ft/lb) Free speed: 5,500 rpm Operating air pressure: 6.2bar/90psi Average air consumption: 6cfm (170L/min) Vibration level: 10.2m/s2 Min. hose size: 1/2\" (10mm) Air inlet: 3/8\" BSP Weight: 3.4kg