All the performance features you have come to expect from the Ingersoll-Rand family of Impact tools. Featuring a powerful twin hammer mechanismand a composite housing, providing superior ergonomics in a light weight package. Also available with a two-inch extended anvil for tire changing applications. Torque range: 50-500ft.lbs. Max. torque: 550 ft. lbs. Speed: 9,500 RPM. Net Weight: 4.55 lbs. Overall length: 9-1/4�. Air inlet: 1/4� NPTF.