"Designed to load Bobcats, Skid Steers, trenchers, and other heavy machinery, this pair of heavy-duty equipment ramps have an 8,000 lb. per axle capacity, and accommodate rises from 6"" to 36"". These ramps feature a high traction serrated rungs for easy loading in all weather conditions. Manufactured in the USA from lightweight military-grade aluminum, these ramps only weigh 40 lbs. each, and can support up to 8,000 lbs. per axle. They are 2-3/4"" high, allowing them to be stored in most dump trailer pockets. The hook end design secures to the angle iron or rub rail of your trailer to prevent slipping during use so you can easily load heavy equipment into the back of your trailer. The stub-toe foot ends provide maximum durability and stability when loading. Each ramp is made by AWS certified welders. These ramps are sold in pairs."