Impact Wrench, Power Source Air Powered, Air Consumption 68 cfm, Air Inlet 1/2 in NPT, Air Pressure 90 psi, Max. Air Pressure 90 psi, Min. Air Pressure 90 psi, Min. Hose Size 1 in, Exhaust Location Bottom, Duty Rating Industrial Duty, Breakaway Torque 2,800 ft-lb, Fastening Torque 1,800 ft-lb, Free Speed 3,500 RPM, Impact Rated Yes, Impact Sound Level 110 dB, Impacts per Minute 1,020, Number of Speed Settings 3, Power to Weight Ratio 122.3 ft-lb/lb, Max. Bolt Capacity 1 in, Drive Size #5 Square