Upgrade your trailer's stability with these heavy-duty 6-inch boat trailer jack wheels. Designed for universal compatibility with standard trailer tongue jacks, each wheel supports up to 1,000 pounds of load capacity, making them perfect for boats, RVs, and utility trailers. The durable black plastic construction paired with steel components ensures reliable performance in various outdoor conditions. These replacement wheels feature smooth-rolling operation for effortless trailer positioning and adjustment. The 6-inch diameter provides optimal ground clearance while maintaining excellent maneuverability across different terrain types. Installation is straightforward with included mounting hardware, allowing you to quickly replace worn wheels or upgrade your existing setup. Whether you're managing a marine vessel or utility trailer, these robust jack wheels deliver the essential support and stability needed for secure trailer management. The pack includes two wheels with all necessary installation components, making it a complete solution for your trailer support needs.