Products SocketOthers Socket Back Heavy Duty Oarlock Assy 256-03158-00 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 Socket Top 256-03327-00 Oarlock Socket 256-03325-00 Single Horn 585-400SW-12V Thimbles 956-70910-00