Comprehensive kit Includes keel roller, roller shaft and brackets for a complete keel roller assembly. Ready to install with all parts needed for optimal performance on your trailer. Efficient loading and unloading Designed for boat trailers, this keel roller assembly guides the hull onto the trailer and reduces friction. Helps protect both the boat and the trailer from wear during loading and unloading. Easy installation No-hassle mounting with the included brackets and shaft. Simple to attach to your trailer and get your setup up and running quickly and efficiently. Quality assurance Manufactured to high standards for reliable performance. A solid choice for boat owners and trailer operators seeking dependable equipment. Use scenarios - Loading a keelboat onto a standard boat trailer at the ramp for a quick, smooth haul. - Replacing worn rollers on a regular trailer to maintain easy loading and protect hull finish. - During seasonal haul-out and maintenance, using the kit to secure and guide the boat with minimal effort.