B-166 Bobrick Classic Series Framed Mirror / Shelf CombinationOne-piece channel frame is 1/2" x 1/2" x 1/2" (13 x 13 x 13mm) with bright polished finish and mitered corners. Phillips-head frame screw permits easy replacement of mirror. No. 1 quality, 1/4" (6mm) glass mirror electrolytically copper-plated; guaranteed against silver spoilage for 10 years. Mirror corners and back protected by shock absorbing material. Back is galvanized steel. Channel-frame mirror equipped with one-piece, type-304, satin-finish stainless steel shelf; projects 5" (127mm) and has 3/8" (10mm) return edges on front and sides. Front return edge hemmed for maximum rigidity. Concealed 16-gauge (1.6mm) stainless steel brackets attach shelf to mirror frame. Secured to concealed wall hanger with two theft-resistant locking screws.