EQUIPEMENT & OUTILLAGE JET 682964 Torque Limiting Socket Extension 1/2 in Drive, 7-3/4 in L

Specially designed chrome molybdenum spring steel flexes at preset torque ratings. Allows accurate application of specific torque to automobile wheel fasteners. Prevents over-tightening or uneven tightening of lug nuts, a major cause of wheel and brake rotor damage. 5 extensions cover most passenger and light truck or SUV wheels. For use with 1/2 inch drive impact wrenches rated at 250 ft/lb and line pressure of 90 to 110 PSI. For aluminium and chrome wheels, use with 1/2 inch drive MAG wheel power sockets.