"The Ironton Contoured Wheel Chock is a heavy-duty chock designed to fit almost any size tire perfectly for superb stability. Tough rubber construction with reinforced nylon fibers is UV-, oil-, salt- and acid-resistant for long life. Sold individually. Material Rubber, Working Width in. 7, Length in. 10 1/4, Height in. 8 1/4, Includes qty. 1. Includes a large eyebolt for easy carrying or combining multiple chocks together 10 1/4 in. L x 7 in. W x 8 1/4 in. H"