Located in:
Marine Supplies, Oars, Oarlocks and Paddles
Thetford Round Oarlocks are available made from polished cast manganese bronze or galvanized cast gray iron. Sizes: 2-1/4" ring ID, 1/2" diameter shank, or 2" ring ID, 1/2" diameter shank. Sold in pairs.
[...]I ordered them along with the oars set. I also was impressed when I received a call to clarify I wanted two oars rather than the one I inadvertently ordered. They feel rugged and durable.