• CP's most powerful, 1/2" Impact Wrench - 625 ft.-lb• Oil bath "Spring Hammer" clutch mechanism for ulitmate power, high durability and reduced vibration• Differential regulator with four positive power settings in forward and ultimate power in reverse• Contoured elastomer handle grip for improved comfort and ergonomics• Applications: heavy automobile and light truck applications• Ultimate Torque: 625 ft.-lbs.Specifications:Square Drive in.: 1/2Weight lb.: 5-1/4Length: 7Avg. Air Consumption CFM: 5Air Inlet NPTF in.: 1/4Working Torque Range ft.-lb.: 50-450Ult. Torque @ 90PSI Forward ft.-lb.: 500Ult. Torque @ 90PSI Reverse ft.-lb.: 625