The newly designed OxGord Tire and Wheel Locking Chocks is made to help keep vehicles in place by preventing the tires from shifting. The chocks fit tires that are 1-3/8" inches and can extend up to 8.5" inches. When not in use, the compact design makes the chocks easy to store in a garage, home, trunk, and else where. The extra lockable design allows you to also secure the chocks when not in use. Perfect for locking your vehicles tires at home, work, camping, and more.