VEVOR 1 Inch Air Impact Wrench, Up to 3160 ft-lbs High Reverse Torque Output 1" Pneumatic Impact Gun w/ 8 Inch Extended Anvil & Carrying Case for Heavy Duty Repairs and Maintenance Busting Breakaway Torque Lightweight Design Ergonomic Design Adjustable Speed Quiet Tuned Exhaust System One Kit For Every Project Spindle Speed: 5000 RPM,Square Drive: 1",Max Torque: 2900 ft-lb,Operation Pressure: Max. 200PSI,Air Hose: 1/2" ID,Max Loosening Torque: 3160 ft-lb,Working Torque: 2400 ft-lb,Main Material: Aluminum