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 Oarlock - STD Pin 256-03279-00 Angle Socket 256-03147-00 Eye Plate 956-03637-00 Square Barrel Bolt 956-08398-00