1Premium Material: Made of high strength PU, this bow roller ensures excellent durability and reliability, not easy to break and crack, providing long lasting reliable performance. 2Reliable Protection: The trailer bow roller prevents rust and marks on your boat, offering cushioning and protection to the hull when secured against bow stop brackets. 3Shock Absorption: The trailer bow roller stop supports boat weight, absorbs road shock, and prevents scraping against screws or roller brackets for smoother transport. 4Centering Support: The boat roller assembly helps center the boat and improve stability during transport, preventing bow to bow stand contact for added convenience. 5Versatile Usage: The bow roller is suitable for trailers, boats, and yachts with a 3.5 inch bow roller with 1/2 inch shaft, ensuring reliable use with a 6.9 inch full length roller. 1 xBoatTrailerRoller