VEVOR 1 Inch Air Impact Wrench, Up to 1800 ft-lbs Nut-Busting Torque, 18.7 lbs Lightweight Pneumatic Impact Gun with 6" Extended Anvil for Heavy Duty Repairs and MaintenanceForward and Reverse SwitchingAluminum Alloy BodyReinforced Alloy Anvil6-Speed Torque ControlComfortable OperationQuickly Remove & Tighten NutsSquare Drive: 1-inch Drive,Item Model Number: RP9563,Working Air Pressure: 90 PSI,Air Inlet Size: 1/2" NPT ,Max Reverse Torque: 1800 ft-lbs (2400 N·m),No-Load Speed: 6000 RPM,Product Dimensions: 19.7 x 7.9 x 3.9 in / 500 x 200 x 100 mm,Net Weight: 18.7 lbs / 8.5 kg ,Main Material: Aluminum Alloy,Max Forward Torque: 1800 ft-lbs (2400 N·m),Torque Settings: 6-Gear Adjustment