Shop Tuff's Compact Rubber Wheel Chock Pair safely secures your vehicle, trailer, and other devices from unwanted movement. This product consists of two chocks connected by a strong nylon rope. The 5 x 3 x 3 inch chock pair is the perfect size for securing your load and is compact enough to easily transport it where you need it. The anti-slip design of the chock pair ensures that this chock pair will stay securely in place. This chock pair is made of a tough, rubber material that is resistant to oil, acid, UV, and salt, making this a long-lasting Tuff product that you can count on. 20 pack