Features: 1.Durable Construction: The clamp on rowlock socket is made of durable 316 stainless steel, can provide superior rust protection, durable and reliable, perfect for harsh environment. 2.Firmly Fixed: Side mount oarlock socket provides more horizontal sheer strength, attached to the inside of the gunwale and screwed on the top and side, fixed with plastic bearings to prevent rattling. 3.Simple Installation: Fastens securely to the oar with one adjustable screw with no drilling required, the side mount oarlock bracket can be used as oar lock holder on the boat or rubber dinghy, so that rowing is not so hard. 4.Easy to Operate: The mounting plate rotates clockwise, which prevents the row lock from falling off, and the release line lock needs to rotate counterclockwise. 5.Wide Applications: Great accessories for kayak, canoe, marine boat, dinghy, lifeboat, water raft boat, yacht, etc., can be used as fishing rod bracket on kayak, rubber boat. Specification: Item Type: Clamp On Rowlock Socket Hole Diameter: Approx. 12mm/0.5in Material: Stainless steel, mirror finish for long lasting performance Application: The clamp on oarlock fastens securely to the oar with one adjustable screw with no drilling required. The mounting plate rotates clockwise, which prevents the row lock from falling off, and the release line lock needs to rotate counterclockwise.