All for Heavy Duty Use: Tightening and loosening bolts, lug nuts and rusted fasteners for agriculture machine, truck, boat, structure and other industries applications for heavy machinery owners and professinal mechanics. Rotation Control: Combined forward/reverse and power management switch, 6-stage settings to adjust speed and torque to adapt to different applications. Easy Operation: Lightweight aluminum body, enlarged "D" shaped handle cavity and rubber anti-slip strip provide better control and more comfortable operation, and long 8" long anvil for harder to reach areas where clearance is limited. Rugged and Robust: This air impact gun equipped with an advanced pin-less clutch mechanism and high-strength casings that can perform stable and high torque with excellent durability to withstand heavy use. Beast Performance: Deliver up to 2900 foot-pounds high torque output and the breakaway torque even reaches 3160 ft-lbs, more powerful air impact wrench to tackles heavy duty vehicle applications, like heavy truck, bus, and tractor tires.