DURABLE AND LIGHTWEIGHT: Manufactured from high-strength, lightweight aluminum, these ramps feature a 5,000 lb. per axle weight capacity and are light enough to be lifted and maneuvered by one person at just 47 lbs. per ramp HIGH TRACTION: Designed with an extra wide serrated rung surface for added traction in wet or muddy conditions DIMENSIONS: Each ramp measures 10' L x 16" W x 4.75" H with a minimum height of 20" H and a maximum height of 36" H; sold in pairs and made in the USA HOOK ENDS FOR SAFETY: Hook-end design connects over existing rub or round rails up to 1-5/16" in diameter to prevent the ramps from kicking out while in use; knife foot end for smooth transtion onto and off of ramp USAGE GUIDELINES: For the safest loading experience, our low-profile trailer ramps are specifically designed for low-clearance vehicles to reduce the incline and prevent bottoming out Heavy duty aluminum 120"L x 16"W hook-end attaching loading ramps for loading cars, pickup trucks, ATV, UTV and utility equipment onto car hauler trailers for transport. Maximum 5,000 lb per axle vehicle capacity. For 20" to 36" loading height. Hook attachment ends fit over round rails up to 1-5/16" diameter, or over standard rub rails to hold the ramps in place during use. The strongest, lightest ramps on the market, each set includes (2) 10 foot heavy duty 47 lb aluminum ramps - Made in the USA by AWS certified welders.