【COMPLETE KIT】: This boat trailer roller kit include roller shafts, brackets, screws and Installation tool.Easy and quick to install and remove.
【DIMENSIONS】: Dimensions of mounting slots:1/2"wide; bolt size: 4.9in(L)*0.5in(W); thread length:2.11in.
【GALVANIZING PROCESS】: The zinc coating forms a dense oxide film in the atmosphere, which can resist the erosion of oxygen and moisture, thereby slowing down the oxidation rate of the metal.The zinc coating is also resistant to the erosion of most external environmental factors, such as extreme conditions like high temperatures, high humidity, and intense ultraviolet radiation, thus extending the boat trailer roller service life.
【WIDELY USED】: Boat rollers for trailer play a crucial role in various fields such as ship transportation, maintenance, water activities, emergency rescue, and shipbuilding.Especially in narrow or confined waters, the design of the rollers helps reduce friction, minimize bumping and vibration during the towing process, and enhance the safety and comfort of the activities.Fit for small yachts, fishing boats, commercial vessels, etc.