Buyers Products Aluminum Wheel Chock fits snugly under wheels to keep vehicles in place while they are serviced or parked. This lightweight chock has a row of rugged teeth to grip a surface and a steep slope design for extra strength while in use.Product Common Use: Vehicle Maintenance, Vehicle Storage, Tractors, Trailers Rugged teeth provide extra stability Steep slope keeps vehicle in place Dimensions = 6.25″ x 12.25″ x 7″ Old Part Number: AMS1 & 1484100 Sold as Each