Designed for residential use, these semi-permanent wheelchair ramps can be easily moved or relocated as your mobility needs change. Manufactured from aluminum, these ramps feature seamless construction, a slip-resistant surface, and a self-adjusting ground transition plate. Weather-proof and durable, these maintenance-free ramps are an excellent alternative to wood. They will not rust or rot, guaranteeing years of use. Two pre-drilled mounting holes make it easy to permanently install the ramps if necessary.