Camco's RV Wheel Chock is designed to keep your trailer in place so that you can re-hitch with confidence. It is constructed of durable hard plastic with UV inhibitors and is easy to use and effective. Comes as a set of 2. Camco's RV Wheel Chock is designed to keep your trailer in place so that you can re-hitch with confidence. It is constructed of durable hard plastic with UV inhibitors and is easy to use and effective. Comes as a set of 2.Camco makes quality products for RVing, boating, camping, towing, tailgating, grilling and more. Our products help take your passion for the outdoors to the next level. At heart, Camco is a small company with big aspirations. Since 1966, we have earned a reputation for providing superior goods with high customer approval. At our core, we believe in manufacturing exceptional products and delivering superior service  all while providing a great customer experience. Explore your outdoor passion with Camco. Great memories are only an adventure away.