Boat Trailer Keel Roller 6 Inch Marine Keel Roller Heavy Duty PU Black Boat Trailer Roller for Boat Trailer Boat Trailer Roller 6 Inch Marine Keel Roller Heavy Duty PU Black Boat Trailer Roller for Boat Trailer Feature: 1. Keel Protection: With a smooth surface, the marine keel roller ensures resilient protection for your boat's keel, ensuring no damage or scuffs occur during loading and unloading. 2. Enhanced Efficiency: Boat keel roller simplifies the process of loading and launching your boat, and assists in centering your boat on the trailer. 3. PU Construction: Marine keel roller has long lasting PU construction, making it highly resistant to sunlight, chemicals, and fuels, which enhances its lifespan. 4. Compatibility: Designed to perfectly fit for boat trailers, boat trailer roller is easy to install, requires a few simple steps, saves you time and effort. 5. Detailed Size: Measuring at 6 inches long and 2.6 inches wide, with a center hole distance of 17mm, please check the size before placing an order. Specification: Item Type: Boat Keel Roller Material: PU Size: 6 x 2.6 inch(length x width) Center Hole Diameter: Approx. 17mm / 0.67in Fitment: Fit for Boat Trailer Package List: 1 xBoat Keel Roller _x000D_ _x000D_