Kayak Rail Set: This set includes 4 stainless steel D-rings. It is a tool that rafting equipment usually uses to install various equipment on the boat. D-ring design: This product is designed in the shape of the letter D. The D-rings of kayak can be used with rowing ropes to grab paddles, rods, nets and more while sitting on the boat. This D-ring patch will fit most kayaks. You don't have to worry about compatibility. High Quality Material: High quality elastic and flexible latex core with polyester outer coating. The stainless steel pull ring will not rust and is durable. With high breaking strength and high UV resistance, flexible and wear-resistant. Strong applicability: D-ring pads are suitable for PVC inflatable boats, rafts, boats inflatables, kayaks, canoes, SUPs, surfboards, etc. for paddles, poles and pole boats that need to be tied down. Nets and other elements The black look makes it easy to insert into your kayak. High quality elastic and flexible latex core with polyester shell. The steel pull ring stainless does not rust and is durable. With high breaking strength and high UV resistance, flexible and wear-resistant. Strong applicability: D-ring pads are suitable for paddles, paddles, poles and pole boats that need to be fixed, such as PVC inflatable boats, rafts, inflatable boats, kayaks, canoes, SUPs, surfboards, etc. Nets and other items Black finish for easy insertion into your kayak. Specification: Size: 11 cm White color Quantity delivered: 4 pieces(The product does not contain glue)