Protect your wheels, wheel studs, and brake rotors with this Steelman torque stick. The Steelman 50068 1/2 in. Drive x 17 mm. 80 ft./lbs. Torque Stick is designed to prevent damage to wheels, studs, and brake rotors by reducing the risk of over-tightening lug nuts which can result in sheared stud bolts, rounded lug nuts, and warped rotors. This stick measures 8-5/8 in. L and has a 17 mm. socket on the end. It will, when used with an electric or pneumatic impact wrench, limit the effective output of the wrench to 80 ft/lbs. (108 Newton-meters) of torque and anything above that will cause the extension will flex and absorb the extra impact. This torque stick is made of resilient chrome molybdenum (Chromoly) steel that has a red powder coat to make it easy to pick out among other tools or in a crowded toolbox. Material: Alloy.