One-piece, 13 x 13 x 9.5mm channel-frame. Type 430 stainless steel with bright-polished finish. Mitered corners. Frame screw permits easy replacement of glass. No. 1 quality, 6mm glass mirror; warranted against silver spoilage for 15 years. Galvanized steel back. Secured to concealed wall hanger with theft-resistant mounting. Type 304 satin-finish stainless steel shelf. Shelf projects100mm with 10mm return on front and sides; front return edge hemmed for rigidity and safety.