Features: Robust ABS construction, not easy to crack and durable for long time use. Designed to prevent the trailer tongue wheel from rolling out on the pavement or sinking into the soft ground. The compact size allows for convenient storage and equipped with rope handle for easy transport. Heavy duty construction keeps trailer wheels steady, durable in use. Direct replacement, perfect replace your old or broken one. The tire blocker is mainly used for the first tire of the RV/trailer. It can be used when the RV/trailer is parked in the wild sand, mud and lawn. Specification: Condition: Brand New Material: ABS Color: Blue Quantity: 1pc Package Weight: Approx. 477g / 16.8oz Application: The tire blocker is mainly used for the first tire of the RV/trailer. It can be used when the RV/trailer is parked in the wild sand, mud and lawn. Package Included: 1 * Wheel Dock with Rope Handle 1、Robust ABS construction, not easy to crack and durable for long time use. 2、Designed to prevent the trailer tongue wheel from rolling out on the pavement or sinking into the soft ground. 3、The compact size allows for convenient storage and equipped with rope handle for easy transport. 4、Heavy duty construction keeps trailer wheels steady, durable in use. 5、Direct replacement, perfect replace your old or broken one.