OTC (6612) 54mm Hex Locknut Socket For Toyota FJ, LN, And RN Models 54mm hex locknut socket Designed for use on front wheel adjusting nuts found on Toyota FJ, LN, and RN models Features a 1/2 inch square drive Can be used with an extension and torque wrench for accurate tightening Backed by the famous OTC Lifetime Marathon Warranty against defects in materials and workmanship