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 Drain Sockets 956-73925-00 Oarlock Socket Edge Mount 256-03276-00 Fender Hook Adjustable 956-71402-00 Jaw and Jaw Swivel 956-00216-00