Replace worn-out oar locks with heavy-duty bronze hardware. Sold in pairs.• 2-1/4" horn I.D.• 1/2" diameter shank• 2-3/16"L shankWhitecap Blue Water Hardware - Blue Water series products are designed for durability and constructed from quality materials. That is why Whitecap guarantees their products for life. 1/2"" dia. shank 2-3/16""L shank | Whitecap Round Oar Lock Horns, bronze 2-1/4" in Blue