"The 3' long PVI OnTrac Wheelchair Access Ramps help provide easy access for anyone using a power chair, scooter, or wheelchair or for someone walking who needs assistance transitioning to a raised surface. Each access ramp includes smooth handrails on each side for added safety and stability. The durable aluminum construction features a grooved surface on the walkway for maximum traction, a full-length step attachment lip, 2"" raised side rails and a tapered entrance foot. PVI OnTrac Access Ramps are made in the USA and come with a Limited Lifetime Warranty."