- Provides essential support for your boat during transport and launch, delivering stability and confidence on every journey. - Constructed from durable zinc-coated steel, offering lasting protection against wear and tear for a reliable long-term addition to your boating gear. - Adjustable width fits boats from 2' 7" to 4", providing flexible, secure fit for different vessel sizes. - Features 4.3" keel rollers to promote smooth loading and unloading, making boating trips easier and more predictable. Use scenarios - Launching or loading a small boat on a trailer at a ramp, with the 4.3" keel rollers guiding movement for stable, aligned operation. - Transporting boats with widths from 2' 7" to 4", using the adjustable width to ensure a secure fit during road travel. - Regular, long-term use across boating seasons, supported by durable zinc-coated steel that resists wear and tear.