"This set of Black Widow plastic service ramps is made from high impact plastic, and is perfect for raising cars, trucks, SUVs, and vans 6.25"" for service and maintenance. These lightweight service ramps feature a grid design, which allows snow, water and dirt to easily flow through no matter the weather conditions. Featuring a specialty internal support system that runs through the center of the ramp to support and distribute weight, these ramps are incredibly sturdy. With a large 16,000 pounds gross weight capacity, these ramps can handle nearly any vehicle. Measuring 35.25"" long by 12"" wide by 8.5"" H, these ramps also feature rubber feet to prevent slipping while in use."