Robust and powerful, reversible air impact wrench specifically designed for workshop applicationsHigh torque action with three forward steps (Max Torque: 800/960/1,320 ft/lb) and reverse (Max Reverse Torque: 1,830 ft/lb)Housing is manufactured in lightweight but hard wearing aluminum (Sound Level: 95.1 dB.)Twin hammer mechanism for increased torque, greater reliability and reduced vibration (Vibration: 11.88 m/s squared)Forward/reverse button for one handed operation and an ergonomically designed handle for better grip and insulation against vibration and cold air.