Impact Wrench Power Source Air Powered Air Consumption 40 cfm Air Inlet 3/8 in NPT Air Pressure 90 psi Max Air Pressure 100 psi Min Air Pressure 90 psi Min Hose Size 1/2 in Exhaust Location Bottom Duty Rating Industrial Duty Breakaway Torque 100 ft-lb Fastening Torque 600 ft-lb Free Speed 5 500 RPM Impact Rated Yes Impact Sound Level 98 dB Impacts per Minute 1 000 Number of Speed Settings Continuous Power to Weight Ratio 8 ft-lb/lb Max Bolt Capacity 3/4 in