[Lightweight] Kayak D-ring is a lightweight, easy to use product designed for securing kayaks, canoes and other watercraft gear to a car or trailer. It is practical and easy to transport. [Durable and strong] The kayak D-ring is made of strong stainless steel and plastic and is easy to attach and detach. [Suitable size] Outer diameter: 35 mm, inner diameter: 26 mm. The kayak tie-down loop is large enough to allow deck lines and straps to pass through. the D-ring makes it easy to attach anything from paddle ropes and thigh strap holders to airbags and buoyancy blocks. [Useful kayak gear kit] The kayak deck fitting provides a great attachment point for seats, straps, racks and other tie-down points. It can be used in conjunction with paddle straps to secure items to the kayak. [Package Included] Package includes 10 pieces of D-rings and 10 pieces of M6 screws that work well together