Impact Wrench, Power Source Air Powered, Air Consumption 53 cfm, Air Inlet 3/8 in NPT, Air Pressure 90 psi, Max. Air Pressure 90 psi, Min. Air Pressure 90 psi, Min. Hose Size 1/2 in, Exhaust Location Bottom, Duty Rating Industrial Duty, Breakaway Torque 1,100 ft-lb, Fastening Torque 900 ft-lb, Free Speed 4,000 RPM, Impact Rated Yes, Impact Sound Level 103 dB, Impacts per Minute 1,100, Number of Speed Settings 3, Power to Weight Ratio 92.4 ft-lb/lb, Max. Bolt Capacity 1 1/2 in