"Heavy duty 144""L x 16""W hook-end attaching loading ramps for loading vehicles weighing up to 5,000 lbs per axle, with a maximum 8,500 lb total vehicle weight. Built strong for loading cars, pickup trucks, SUV's, wheeled equipment, and small commercial equipment in any weather condition. The strongest, lightest ramps available! All-Aluminum construction Made in the USA by certified welders."