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 Heavy Duty Oarlock Assy 256-03159-00 Angle Socket 256-03147-00 Screw kits 256-41022-00 Deck Fill & Tank Vent 956-08971-00