Robust and powerful, reversible air impact wrench specifically designed for workshop applicationsHigh torque action with three forward steps (Max Torque: 85/210/342 ft/lb) and reverse (Max Reverse Torque: 361 ft/lb)Housing is manufactured in lightweight but hard wearing aluminum (Sound Level: 95.4 dB.)Twin hammer mechanism for increased torque, greater reliability and reduced vibration (Vibration: 4.96 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