Product details:

Keep your recreational vehicle stable when parked with this BAL 28000A Tire Lock Chock. It is made of steel diamond plate which provides a superb gripping surface against the rubber and ground surfaces. This RV wheel chock has a cut-out for easy hand carrying. Extension or retraction of this unit is achieved by turning the rotation module using the included tension bar. This tire chock uses a one-time quick adjustment to fit between any tandem wheels. The zinc plating offers resistance to rust.