Trailer Keel Roller Key benefits Makes launching, retrieving and moving your easier and faster by reducing friction and improving alignment when the hull contacts the trailer. Protects the keel from wear and impact during loading and unloading, reducing maintenance and costs. Durable, weatherresistant construction ensures consistent performance and long service life even with longterm exposure to sun and wind. What it does After correct installation, the roller supports and guides the keel so you can push or winch the smoothly onto the trailer, increasing work efficiency and reducing manual effort. Specifications Product: Trailer Keel Roller Mounting hole inner diameter: 17 mm Length: 160 mm Width: 60 mm Material: quality PE (polyethylene) plastic — wear resistant and UVstable (will not fade with longterm exposure to wind and sun) Performance and reliability Manufactured using advanced production techniques for consistent dimensions and reliability. PE plastic construction provides low rolling friction, good impact resistance, and longterm wear performance. Designed for stable, performance operation under regular loading and launching conditions. Compatibility and installation Designed for trailers that accept a 17 mm mounting hole/shaft; install correctly and secure according to your trailer's mounting specifications. Simple replacement or upgrade for existing keel roller setups; consult trailer manual or installer for recommended mounting hardware and torque. Typical use scenarios Boat launching and retrieval at ramps: guides the keel smoothly onto or off the trailer during winching and backing operations. Trailer maintenance or retrofit: worn rollers to restore proper hull support and alignment. Shortdistance hull positioning on a trailer: use when moving or adjusting the on land to protect the keel and simplify handling. Why choose this Trailer Keel Roller Clear, measurable specifications (17 mm mounting hole, 160 mm length, 60 mm width) for straightforward compatibility checks. Robust PE construction resists wear and UV degradation for reliable, lowmaintenance service. Engineered for dependable performance to help protect your vessel and speed routine trailer operations.