"Strong, military-grade heavy equipment hook-end loading ramps Made in the USA by certified AWS welders. Each pair of heavy equipment ramps is designed for loading Bobcats, Skid Steers, Trenchers, Loaders, Tractors, and other heavy equipment onto trailers for hauling to the next job site. Compatible with trailer decks from 12"" to 20"" high, the heavy equipment ramps measure 6 ft. x 14"" and are rated to support up to 12,000 lbs per axle. Hook-End attaching ends secure the ramps to trailer rub rails or angle iron for reliable positioning while running heavy equipment on and off the trailer."