Amazon.com : Milky Ocean-Oar Locks - Main Shaft Made with 316 Grade Stainless Steel - Easy Clamp-on Design for 1-1/2"(38.1mm) to 1-5/8"(41.5mm) Oars - Fit for 1/2" Oarlock Socket - 2 PCS
Oarlock Sockets Top Mount - Set of 2
Oars
Accessories
Vintage Galvanized Swivel Oar locks Rowlocks Unique and Rare can stay with oars | eBay
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Rowlock - Wikipedia
Solstice Outdoorsman 9-Foot Heavy-Duty Inflatable Fishing Boat with Quad Swivel Oar Locks and Dual Rod Holders, Motor Compatible - Walmart.com