Bradley 9538 Stainless Steel Shower Rod 1" O.D. Concealed Mounting, Satin Finish, Concealed mounted shower rod shall be fabricated of 18 gauge stainless steel of seamless construction. Mounting flanges shall be of glass polypropylene with snap-on vandal-resistant protective escutcheons Features, Satin finish Stainless Steel, Concealed Mounting, 1" O.D.