Sunex 4330TE 3/4-Inch Drive 475 Ft/Lbs Torque Truck Extension Bar Provides the ability to torque inner and outer cap nuts and flange nuts on heavy duty trucks Torque sockets and extensions allow user to ensure that lug nuts are tightened to the required torque specification Designed to extend life of thin wall impact sockets Each socket and extension is packaged as an individual sock 3/4-Inch drive - 475ft/lbs.