1[Nylon Construction] This boat trailer roller is crafted from premium nylon material, ensuring durability and longevity for use in various boating applications. 2[Stable Load Bearing] This nylon boat trailer roller is designed to withstand strong loads, providing stability and reliability when towing boats. 3[Minimal Impact Design] Boat trailer roller has low impact force, effectively reducing damage to the hull, preventing scratches, maintaining original gloss even after prolonged use. 4[Wide Application] Suitable for various boat trailers, including but not limited to yachts, lifeboats, and motorboats. Can meet your diverse transportation needs. 5[Easy Installation] This white boat trailer roller with 8mm hole, 51mm length, is suitable for boat trailer, easy to install and use. 1 x Boat Trailer Roller