Features: Upgrades your boat trailering experience with our Boat Trailer Roller, designed for seamless loading and unloading with its high performances material. Available in multiple color and sizes (3inch/4inch), this Roller comes equipped with bells and a bolt, ensuring a fit and smooth operation on a 1/2inch shaft for various boat trailers. For boating enthusiasts and marine professional, this boat trailer accessory is a must have for secure transportation of your vessel to and from the water. Whether you're heading to a regatta or embarking on a leisurely trip, our Boat Trailer Stop provide the reliability needed for both short hauls and long distance journeys. Enhances the longevity and functionality of your boat trailer setup with our corrosion resistant roller, making maintenance easy. Specifications: Material: Rubber Length: 3inch: About. 12.7cm/5inch 4inch: About. 18.5cm/7.3inch Pattern: 3inch/4inch Color: Multiple color, please refer to the picture Package Includes: 1pc Boat Trailer Roller note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.