Products SocketOthers Socket Back Heavy Duty Oarlock Assy 256-03157-00 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 Top Mount 256-03272-00 Lift Handle 956-07190-00 45° Tee 956-09761-00