Features Details Powerful Torque: This 1/2" drive air impact wrench delivers up to 738 ft-lbs (1000N.m) powerful reverse torque with 8500 RPM high speed. Effortlessly loosens lug nuts for car repair and handles more assembly or disassembly tasks Easy Torque Control: With 4-speed torque adjustment ((3-speed forward, 1-speed reverse) and a forward/reverse switch, this air impact gun allows you to easily switch working modes and adjust torque output for different auto repair tasks Lightweight and Compact: Designed with a super compact body and an ergonomic grip, this impact wrench allows one-handed operation for superior comfort and control. Less vibration and hand fatigue for extended use Strong Durable: Aluminum alloy housing and a reinforced alloy anvil offers outstanding strength and durability for tough jobs. Also comes with lubricating oil - remember to apply it before use to extend the tool's service life Wide Applications: VEVOR 1/2 inch air impact gun is powerful enough to loosen bolts and nuts, ideal for light duty auto repair shops or home repairs and maintenance; Air Consumption: 6.3 CFM. Working Pressure: 90PSI, Air Inlet: 1/4" NPT