Ziamatic Corp 3025 Medium Wheel ChocRecommended for use with smaller tires, such as those on cars, pickup trucks, and tow trailers. Made in the U. S. A. Features: High tensile strength aluminum construction. Large rear opening hand grip for easy transport and placement. Double row of rugged teeth grip virtually any firm surface. 6 1 2" H x 6" W x 11 3 4" L SOLD EACH. For horizontal storage, see Model QCH 1. For vertical storage, see Model QCH 11. WARNING: Undersized chocs may fail to