Meek Mirrors Steel Channel Framed Mirror, M1510, 18" W X 36" L, Satin Finish Mirror protection - protected by shock-absorbing expanded polystyrene sheets The stainless steel frame measures 9/16 x 9/16 x 9/16 Easy installation - installs easily on a non-visible mounting that is corrosion resistant A customer favorite-the-go-to mirror since 1961