Replace worn-out oar locks with heavy-duty bronze hardware. Sold in pairs.• 2" horn I.D.• 1/2" diameter shank• 2-1/8"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 2-1/8""L shank | Whitecap Round Oar Lock Horns, bronze 2" in Blue