BBTO 2 Pcs Boat Trailer Rollers with Brackets Galvanized Steel Keel Support Rubber Roller Bracket Assembly Kit with Shaft for Boat Trailer (4 Inches,Standard)

["Packing List: this boat trailer accessory set includes 1 keel roller, 1 mounting bracket, 2 bolts, and matching installation hardware; The galvanized steel bracket is designed with slotted mounting holes, allowing flexible positioning during installation; The roller helps protect the boat hull and keel when loading and unloading from the trailer, making launching, retrieval, and transportation more convenient while providing stable and reliable support throughout the entire process","Materials: the keel roller bracket is made of galvanized steel, providing strong structural support along with excellent corrosion and weather resistance; It is suitable for long-term use, even in marine or saltwater environments; The roller is made from durable rubber material that helps support the boat body while reducing friction and sliding; This design improves loading smoothness and stability, helping ensure safe and reliable boat transportation","Product Dimensions: the mounting bracket measures approximately 4.4 inches in length, 4 inches in width; Each mounting slot measures about 0.5 inches wide and 2.6 inches long, allowing adjustable positioning on different trailer frames; The keel roller measures approximately 4 inches in length, with a diameter of 3 inches and a center hole diameter of 0.65 inches, providing balanced and consistent support","Easy Installation: this keel roller bracket features a modular design and comes with a complete set of bolts, nuts, and washers, allowing for quick installation and easy removal; The adjustable slotted holes make it simple to align the roller accurately with the boat keel; This flexible installation method helps save time and effort while ensuring stable positioning and reliable support during repeated loading, unloading, and transport","Wide Application: this boat trailer keel roller is suitable for a wide range of boat types, including small yachts, fishing boats, kayaks, and sailboats, and it is compatible with most standard trailers; It is ideal for replacing worn rollers or upgrading older trailer setups; The structure helps reduce friction and wear between the boat and trailer, extending service life while maintaining practical and durable performance"]