The PVI OnTrac Wheelchair Access Ramps make it easier for anyone using a power chair, scooter, or wheelchair to get around, as well as anyone walking who needs help transitioning to a raised surface. Smooth handrails on both sides of each access ramp add safety and stability. The sturdy aluminum construction includes a grooved walkway surface for added traction, a full-length step attachment lip, 2" raised side rails, and a tapered entrance foot. PVI OnTrac Access Ramps are manufactured in the United States and have a Limited Lifetime Warranty.