3/4" Air Impact Wrench, Super Duty, 1100 ft-lb Torque, Friction Ring Retainer, Pistol. The 261 Series impact wrench is ideal for vehicle repair and heavy truck and machinery jobs where you’ll benefit from the square socket retaining ring and the power behind the vane motor. Trigger actuation and a power regulator let you complete projects with control and ease. Power to Weight: Lightweight but still delivers high torque output capabilities, making it the best choice for spring work, pinion nut and track pad removal, and major engine teardowns. Power: The 6 vane motor provides a high torque output for increased power. Jumbo Hammer Mechanism: The patented jumbo hammer is unaffected by air pressure changes and delivers 1100 ft-lbs. of max torque and a working torque of 200-900 ft-lbs. Square Socket: The square socket retaining ring makes this an ideal impact wrench for projects where you need increased socket connection, like auto repair and heavy truck and machinery jobs. Lasting Performance: This power tool is equipped with a pressure-fed lube system which provides trouble-free, longer performance. Handle Exhaust: Handle exhaust directs dust and dirt from being blow at you while working as it directs air away from the operator.