Wheel Chock Camco 44622 For Use With Tandem Tires, 26-30" Diameter Tires, Spacing of 3-1/2 to 5-1/2"es, Yellow, Hard PlasticWheel Chock; For Use With Tandem Tires; 26 30 Inch Diameter Tires; Spacing of 3 1 2 to 5 1 2 Inches; Yellow; Hard Plastic; Single Camco's RV Wheel Stop is designed to stabilize the trailer with a single piece of equipment. It secures the tandem tires to prevent movement while parked or rehitching. Position: Between Tandem Tires Material: Plastic Quantity: Single Color: Yellow Length: 17 1 2 Inch Width: 7 1 2 Inch Height: 2 Inch