The HP Tools Universal Wheel Chock is built to help you transport your ride securely. It will fit a maximum tire width of 3.5" and is made from steel tubing for extra strength. The Wheel Chock features a 'key holed' base plate with mounting inserts for a quick and easy installation. Once you are at your destination you can easily remove the wheel chock with the loosening of four screws and enjoy the space of your trailer. The wheel chock features a base opening of 5.5 inches tapering to 3.5 inches at the front to secure the front wheel. There is an overall base length is 11 inches with a height of 8.25 inches. Mounting hardware included. Steel tubing construction with steel base plate. Maximum tire width of 3.5”. Dimensions: 8.25"H x 5.5" / 3.5"W x 11"L.