This watercraft dolly has steel support tubes and a 1800lbs capacity, handling larger boats without deformation. Swivel nylon wheels, carbon steel brackets, and ball bearings enhance maneuverability and load capacity. Fixed bunk tube spacing provides better stability for mid-to-large jet skis, kayaks, and sailboats. The bunk tube ends are wrapped to avoid damage and increase friction. Includes tools and instructions for simple assembly. | Vevor | | Watercraft PWC Dolly, 1800 lbs Load Capacity, Jet Ski Stand PWC Cart for Moving Watercraft, Fixed Bunk with 4 Casters | White | Best Buy