Chicago Pneumatic 7731 3/8 in. Ultra Compact Air Impact Wrench

Impact Wrench, Power Source Air Powered, Air Consumption 18 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 General Duty, Breakaway Torque 305 ft-lb, Fastening Torque 240 ft-lb, Free Speed 6,400 RPM, Impact Rated Yes, Impact Sound Level 104 dB, Impacts per Minute 1,200, Number of Speed Settings 3, Power to Weight Ratio 105.5 ft-lb/lb, Max. Bolt Capacity 3/8 in, Drive Size 3/8 in Square

Powerful at 305 ft. lbs. of maximum torque in reverse