1/2 in Twin Power Air Impact Wrench, 1000 ft.-lb.Mfr #: CP35205 With industry leading 1000 ft. lbs. of maximum torque, our 1 2 in. Twin Power Air Impact Wrench is not only best in class in its power, it is also best in class in its lightness and small footprint at just 3. 5 lbs. and 5. 9 in. long The Twin Power series' patented dual cylinder air motor deploys air more efficiently while generating more torque compared to regular air motors, and enables us to create a smaller yet more powerful impact