1、Stainless Steel: Constructed of polished mirror finish 316 grade stainless steel, can withstand harsh weather conditions. The sturdy 1/2 inch shaft is resistant to everyday scratches. 2、Convenient: Canoe paddles / kayak paddles are the easiest way to propel a boat through the water, and the way most people go ashore or dock while cruising. 3、Easy to Install: The clip on the oarlock attaches securely to the paddle with an adjustable bolt, no drilling required. U cup opening design is more convenient, easy to operate. 4、Dimensions: The shank OD of oarlock is 1/2in, shank length is 1-7/8in; overall length is 5in/125mm; shaft length is 2-1/8in/54.5mm; shaft diameter is 1/2in/12.8mm. 5、Wide Applications: Oarlock is suitable for small boats, canoes, kayaks, dinghies, lifeboats, water raft boats, etc. It is an essential accessory for all your boating needs.