FOR MERCEDES ENGINES 601, 602, 602.91, 603, 604, 605, 606, 661, 662; 1/2″ DRIVE MULTI-SPLINE SOCKET 1.5 * 58MM; SUITABLE FOR ENGINES WITH THE FOLLOWING CODES: 601, 602, 602.91, 603, 604, 605, 606, 661, 662; MATERIAL: CHROME-VANADIUM STEEL, BLACK PHOSPHATE FINISHING; TO BE USED AS OEM: 603589000900 / 603589010900