Notice: Suitable for vehicles with a tire spacing between 3.5 and 12 inches.Before placing your order, please measure the distance between the two tires on your RV. | Weather Resistance: Constructed from high-quality steel and coated with a rust-proof finish, with all connection points reinforced to ensure long-lasting durability. | Effortless Operation: The package includes a complimentary multi-functional ratchet wrench and hex socket, enabling you to complete the installation quickly and easily in just 20 seconds. | X-shaped Wheel Chock: A wheel stabilization device specifically designed to be installed between two tires on a camper or motorhome. It provides additional stability and effectively prevents tire displacement. | Fully embrace the RV lifestyle: Capable of adapting to a wide range of environmental conditions, it creates a highly comfortable sanctuary for you, ensuring your sleep remains undisturbed.