Impact Wrench, Power Source Air Powered, Air Consumption 52 cfm, Air Inlet 1/2 in NPT, Air Pressure 90 psi, Max. Air Pressure 90 psi, Min. Air Pressure 90 psi, Min. Hose Size 1/2 in, Exhaust Location Bottom, Duty Rating Industrial Duty, Breakaway Torque 2,000 ft-lb, Fastening Torque 1,400 ft-lb, Free Speed 4,100 RPM, Impact Rated Yes, Impact Sound Level 112 dB, Impacts per Minute 900, Number of Speed Settings 3, Power to Weight Ratio 100 ft-lb/lb, Max. Bolt Capacity 1 3/8 in