1、Cushioning and Protective: This roller assembly is designed to protect and cushion the boat when fixed on the bow stop bracket, not easy to damage. 2、Stable Support: The bow roller assembly absorbs excess vibration and supports the weight of the boat on the trailer, ensuring a smoother and secure transport. 3、Versatile Usage: Suitable for boats, yachts, marine, or trailers, this U shaped groove roller can be widely used in various marine applications, can withstand harsh weather condition. 4、Anti Rust Material: Crafted from premium materials, this bow bell roller ensures no rust or marks left on your boat, maintaining its appearance and functionality. 5、Secure Installation: The marine bow bell roller prevents scratches on screws or roller brackets, helping to center the boat and prevent contact between the bow and the bracket, ensuring secure and reliable connection. Item Type: Boat Trailer Roller Assembly Material: ABS, Metal Size: Approx. 60 x 45mm / 2.4 x 1.8in Color: Black Fitment: Suitable for boats, yachts, marine and trailers 1 x Roller Assembly