Equipped with Pin-less impact mechanism. Stable & smooth torque output during operation. Inside the handle trigger design helps to prevent accidental start. Specifications Sound Pressure 101.0dbA Air Pressure 90 PSI (6.3 bar) Net Weight 24 lb (10.90kg) Air Hose 1/2 In. Vibration Level 7.3m/s" Overall Length 15 In. (380mm) Square Drive 1 In. Bolt Capacity 1-3/8 In. (33mm) Torque Range 200-1600ft.lb (271-2170Nm) Free Speed 4000 RPM Avg. Air Consumption 11.5 CFM (325 litres/min) Max Torque 1800ft.lb (2441Nm)