Small & lightweight but powerful impact wrench, with maximum torque 1100lb-ft (1492Nm). One piece Aluminium alloy die casting housing with black grip handle and 3/4" Drive.9000rpm with a working Torque of 271-1220Nm. Vibration 2.8m/s2 and 94Db noise level. Weight 1.9kg with average air consumption of 0.21 M3/Min. Air inlet 1/4" with suggested hose size of 10mm. Bolt capacity 23mm. 20g grease tube included.