These 90° Glass Railing Stiffeners are high-quality glass components made from durable 2205 stainless steel and feature a brushed satin finish. Use stiffeners to connect panels of glass for a sleek and simple glass railing assembly. Stiffeners are suitable for high-pressure, highly corrosive environments and are for use with 13.52-15mm glass. Plastic inserts are provided to keep glass from making direct contact with metal stiffeners.