Products SocketOthers Socket Back Heavy Duty Oarlock Assy 256-03159-00 HEAVY DUTY OARLOCK ASSY ITEM NO. Size 256-03157-00 1/2" 256-03158-00 9/16" 256-03159-00 5/8" You May Also Be Interested In Angle Socket 256-03147-00 Drain Sockets 956-73926-00 Seat Base Swivel 256-06517-00 Block 956-11000-00