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 This pistol-style air impact wrench offers comfort and control at multiple angles. It uses pneumatic pressure to deliver high amounts of torque to nuts and bolts. It is built to withstand rough handling and offers high durability and performance in production, manufacturing, or assembly environments.