1.AL 6063 2.Surface: Satinless steel look Matt silver Raw, no anodized 3.For 19-31.52 mm glass Aluminum Glass Channel-Top :1, Avaliable for wall and floor installations2, Multiple selection of the surface treatment3. Quick & Easy Installation 4.Fresh new look in the office & home 5.Have more economical choice Aluminum Glass Channel-Top 2.0-3.0KN 19-31.52mm