Wide range of applications: Place one brake shoe on the front of the wheel and the other on the uneven ground to prevent the wheel from rolling. Safety devices for ramps or other lifting devices. Bottom and top tips for added grip on tires, cars, trailers, caravans, RVs, campsites, cars, RVs, cars and caravans. Anti-slip: The car wheel is designed to prevent the vehicle from moving by holding it in place. Anti-slip effectively prevents the vehicle from rolling back and sliding. It can be easily blocked in time on icy or rainy ground. For each loading ramp, a wheel block must be provided. If the truck attempts to move during loading and unloading, this can save lives. Convenient storage: The auto block is small and can be easily stored in your car without taking up too much space. Easy to handle, lightweight, easy to lift off the ground to prevent the tire from slipping. Stable characteristics and high reliability. Premium quality products: Wheels made of high quality ABS materials provide good corrosion resistance in many environments. Wear-resistant, low temperature resistant, with a certain hardness, stable, not shaking, collision is not easy to damage. Has a longer life. Product Description Specification: Condition: 100% Brand New < p>Material: ABS plastic Color: black Quantity: 2pcs Package weight: approx.816g/28.8oz Product size (L*W*H): 15.5*9*9.8cm/6.1*3.5*3.9in Package size (L*W*H): 23*15*9cm /9.1 * 5.9 * 3.5 inch Fitment: Universal Package list: 2 * anti-slip caps