VEVOR 1 Inch Heavy Duty Pneumatic Impact Wrench 2800 Nm2066ft.lbs AIR Impact Wrench with 8-Inch Extended Anvil Impact Wrench Gun The pneumatic impact wrench is with 1inch square drive, 8inch anvil, 4000 rpm free speed The maximum torque of the pneumatic impact wrench is 2800Nm2066ft.lbs The pneumatic impact wrench is supplied with side handle and spring balance hoop Long anvil, straight pattern and top side exhaust all allow the pneumatic impact wrench to be used on wheels with deep dish The pneumatic impact wrench is ideal for busy garages, car workshops and tyre fitters