7-Piece wheel bearing locknut socket set For use with 1/ 2 inch ratchet or breaker bar Set contains 55 mm hex locknut socket 2-3/8 inch hex locknut socket 2-1/ 2 inch hex locknut socket 2-1/ 2 inch rounded hex locknut socket 2-3/4 inch rounded hex locknut socket 2-9/16 inch rounded hex locknut socket and 2-3/8 inch rounded hex locknut socket works