Sea-Dog Oarlock Socket - 2" - Cast Brass/Polyethylene [580570-1]Oarlock & Socket 2" Cast Brass Polyethylene These Oarlocks & Sockets feature traditional styling. Oarlocks are available in 2" or 2 1 8" sizes with a 1 2 shaft. The pin style and round horns secure the oar in place in all sea conditions. Oarlock mounts accept 1 2 shafts and feature polyethylene inserts (580699) for smooth rotation. Constructed of durable sand cast brass. Specifications: Type: Ribbed 2"