1、Premium Material: The boat bow trailer roller is crafted from solid materials that resist rust and prevent leaving marks on your boat. When fixed on a bow stop bracket, it protects and buffers the hull. 2、Weight Support: Designed to bear the weight of the boat on a trailer, the boat trailer roller assembly absorbs excess shock and vibration, ensuring smooth transportation. 3、Bow Bell Roller: The bow bell roller ensures the boat does not scrape against bolts or roller brackets, helps keep the boat centered, preventing bow to bracket contact. 4、Buffering Function: Serving as a robust stop bell guide, it significantly mitigates potential damage during the loading or unloading process, increasing overall safety. 5、Wide Application: This heavy duty trailer roller assembly is versatile and can be used on boat yachts or trailers, offering a wide range of use for all hauling needs.