VEVOR Air Impact Wrench 3/4" Square Drive 1870ft-lb Nut-busting Torque 90-120PSIVEVOR Air Impact Wrench 3 4" Square Drive 1870ft lb Nut busting Torque 90 120PSI Busting Breakaway Torque Lightweight Design Ergonomic Design Torque Adjustment Quiet Tuned Exhaust System One Kit For Every Project Square Drive: 3 4",Max Torque: 1700 ft lb,Operation Pressure: 90 120 PSI,Air Hose: 3 8"ID,Max Loosening Torque: 1870 ft lb,Free Speed: 6000 RPM,Working Torque: 1530 ft lb,Avg. Air Consumption: 9. 5 CFM,Main Material: Plastic Steel