The highly polished stainless steel offers a Mirror-Like Finish that lasts for years. Each is fabricated from 1.90” O.D. tube with a wall thickness of .045” and features 6” radius bends. Escutcheons (or stainless steal wall flanges) and anchors for use with these stair rails are not included. With proper anchor devices, it is suitable for use on stairs and slopes on poured concrete, shotcrete, and fiberglass commercial pools and spas.