Perko Side Mount Oar Lock Sockets These side mount oar lock sockets are designed for a 1-2 normal shank size and to be used with 10 screws. With black plastic bearings and a natural zinc alloy finish, these oar lock sockets are built maximum durability and long lasting use. Sold as a pair, they can be used with Perko 1227, 1262 or 1267 oarlock horns. Features Natural Zinc Alloy Finish Black Plastic Bearings For 1-2 Normal Shank Size Use with 10 Screws For Use with Perko 1227, 1262 or 1267 Oar Lo