This air impact wrench from Draper is the ideal solution for high volume repair work on heavy machinery The Draper 84128 is a pinless air impact wrench with a 1 inch square drive. It is ideal for high volume repair work on trucks and other heavy machinery. It is fitted with a high tech three-speed reversible motor and is made from heavy-duty materials with a soft grip handle for comfort during use. Features: Pinless hammer air impact wrench manufactured from heavy-duty materials Ergonomic soft-grip handle and a removable side handle providing comfort even when used for prolonged periods Fitted with a high tech three-speed reversible motor capable of 3 position power in forward and full power in reverse and a side exhaust Attached with a 1/2\" BSP airline connector Ideal for high volume repair work on trucks and other heavy machinery Specification: Ultimate torque: 2,200Nm (1,620ft/lb) Free speed: 3,900 rpm Operating air pressure: 90psi (6.2bar) Average air consumption: 40cfm (1,132L/min) Vibration level: 7.029m/s2 Min. hose size: 1/2\" (13mm) Air inlet: 1/2\" BSP Weight: 12.7kg