- High quality material This slip stopper is made of durable rubber construction. It is sun and weather resistant, not easy to crack, and long lasting. The rubberized surface provides extra slip resistance for better stability. - Compact and portable The compact size allows convenient replacement or insertion in your car without taking up much space. Easy to store in the vehicle or toolbox. - Strong grip and appearance Non-slip nails are tyre accessories embedded directly into the surface of the tyre to improve the slip resistance and safety performance of the tyre and make the tyre more beautiful. - Broad compatibility and用途 Replacement for wheel chock replacement for wheel chock, replacement for trailer chuck, replacement for car underlay wedge, and replacement for car washer wedge. Suitable as a general underlay wedge or stabilizing accessory in a variety of vehicle setups. - Practical use scenarios - Park on a slope: use as a wheel chock replacement to prevent vehicle movement on an incline. - Trailer loading/unloading: place under wheels to stabilize the trailer on uneven ground. - Vehicle maintenance and undercar tasks: use as an underlay wedge to stabilize a vehicle during service or while waiting for assistance. - What makes it stand out Durable, weather resistant rubber construction, designed to withstand sun and weather exposure, and built to resist cracking. Its compact form combines ease of use with reliable slip resistance for a safer, steadier vehicle setup.