These angle adapters are used to mount stair panels or level panels installed at an angle. Fortress Fe26 steel railing is a pre-welded, easily customized and enhanced version of traditional wrought iron railing. It brings unparalleled quality to any patio, deck or balcony. The railing provides a clean, classic appearance that is versatile for a variety of applications and surfaces. Pre-galvanized steel, nano pretreatment, e-coat and premium powder coating make it the most elegant and durable steel railing system on the market.