Classic Series Convertible Staircases can be used in physical rehabilitation for patients who are relearning how to talk or how to climb stairs. It can be used in straight or corner arrangements, depending on the patient's ability to turn. The training stairs are made from hardwood plywood with a UV-cured satin finish and edges, covered with slate grey PVC. The uprights are made from ultra-rigid steel. Classic Series Convertible Staircases are available in two different widths to choose from.