RPG’s 3/4" Drive Super Duty Air Impact Wrench is a powerful 3/4" drive classic wrench that combines the convenience of a compact size with high power output, making it suitable for heavy duty tire or engine work on truck, bus or farm machinery. It features a powerful jumbo hammer mechanism with a nut-busting maximum torque of 1,100 ft-lbs and a free speed of 5,500 rpm. Other features include a convenient six-position power setting and a short anvil for easy handling. The impact wrench is 8.2" long, weighs 12.9 lbs and has an average air consumption of 9.5 cfm.