Impact Wrench, Power Source Air Powered, Air Consumption 41 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 General Duty, Breakaway Torque 1,920 ft-lb, Fastening Torque 1,475 ft-lb, Free Speed 5,200 RPM, Impact Rated Yes, Impact Sound Level 111 dB, Impacts per Minute 500, Number of Speed Settings 3, Power to Weight Ratio 86.5 ft-lb/lb, Max. Bolt Capacity 1 in, Drive Size 1 in Square Air impact wrench is fit for heavy vehicle tire changing, general mechanical works, and manufacturing equipment maintenance. It is easy to use, with an ergonomic handle that can adjust to multiple positions and an angled down exhaust that keeps the air away from you as you operate the wrench. Both the.