You can't get a more powerful 3/4" wrench than this Heavy-Duty impact wrench. It combines compact size with high output, which makes it perfect for everything from spring work to pinion nut and track pad removal and major engine teardowns.  The Jumbo Hammer mechanism delivers up to 1,100 ft. lbs. of torque smoothly, with less vibration. Trouble-free, longer performance aided by the Pressure-Feed Lube System. Only 7-5/8" long and compact so you can reach into narrow spaces. Handle exhaust directs air away from you.  Features a 3/8" air inlet.