Chicago Pneumatic Impact Wrench Air Powered 8900 rpm CP9541

Impact Wrench Power Source Air Powered Air Consumption 13 cfm Air Inlet 1/4 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 450 ft-lb Fastening Torque 320 ft-lb Free Speed 8 900 RPM Impact Rated Yes Impact Sound Level 100 dB Impacts per Minute 1 100 Number of Speed Settings 3 Power to Weight Ratio 81.8 ft-lb/lb Max. Bolt Capacity 1/2 in