Impact Wrench, Power Source Air Powered, Air Consumption 25 cfm, Air Inlet 1/4 in NPT, Air Pressure 90 psi, Max. Air Pressure 90 psi, Min. Air Pressure 90 psi, Min. Hose Size 3/8 in, Exhaust Location Bottom, Duty Rating Industrial Duty, Breakaway Torque 625 ft-lb, Fastening Torque 502 ft-lb, Free Speed 6,400 RPM, Impact Rated Yes, Impact Sound Level 107 dB, Impacts per Minute 1,320, Number of Speed Settings 4, Power to Weight Ratio 107.8 ft-lb/lb, Max. Bolt Capacity 5/8 in