6).If you have any questions about our products, please let us know and we are glad to serve you. 5).Pre-drilled pin holes?Easy to install,suit for small boats,canoe,kayak,dinghy, lifeboat, water raft boat.etc. 4).Dimension? Length:5-1/6 inch(131mm);Shaft Length:2-1/8 inch(54mm);Shaft diameter:1/2 inch(12.5mm);Fits Oars diameter from (46mm-56mm). 3).U cup design?Opening design gives more convenience,make it easy to operate, simple, and good practical. 2).Sturdy Construction?Solid 1/2 inch Shaft,durable and long-lasting,Build to resist daily scratches, corrosion and tarnish. 1).High Quality?Marine grade 316 stainless steel.Supper corrosion and strong endurance, durable in all conditions.

Date First Available: March 13, 2019. Best Sellers Rank: #77,935 in Sports & Outdoors. Customer Reviews: 4.6 out of 5 stars 198 ratings 4.6 out of 5 stars. : B089LPSXQ5. Included Components: ?Oarlock. Style: ?U cup Oarlock Support. Manufacturer: ?CHENGZHOU. Suggested Users: ?Unisex-adult. Material: ?316 stainless steel. Color: ?Silver. Model Name: ?Oarlock. Warranty Description: ?1 year. Brand Name: ?Marinebaby. Item Weight: ?0.2 Kilograms. Package Weight: ?0.34 Kilograms. Item Package Dimensions L x W x H: ?7 x 3.8 x 1.9 inches.