The Ingersoll Rand 3/4 Inch Super Duty Air Impact Wrench is part of the 261 Series and combines a compact size with high torque output capabilities. It features a patented jumbo hammer mechanism with 1,100 feet per pound of maximum torque, and a working torque of 200 to 900 feet per pound, offering a great power to weight ratio and is easy to maintain. Variable speed throttle allows fine control of rundown speed. The square socket retaining ring makes this an ideal impact wrench for projects where you need increased socket connection and is widely used for off-highway and farm maintenance.