Recessed dual-roll toilet tissue dispenser. Shell and Flange – 18-8 S, type-304, 22-gauge (0.8mm) stainless steel. Drawn and beveled, one-piece, seamless construction with four countersunk mounting holes. Support Posts (4) – Heavy-duty cast zamac with chrome-plated finish. Hoods (2) – 18-8 S, type-304, 18-gauge (1.2mm) stainless steel. Hoods hinged to shell. Mounting Bracket – Plated-steel mounting clamp attaches to back of unit with two sheet-metal screws for installation in stud walls or countertop aprons. Spindles (2) – Chrome-plated plastic. Equipped with heavy-duty internal springs. Rough Wall Openings: 11-3/4″ width x 5-1⁄4″ height x 3-3⁄8″ minimum depth (300 x 135 x 85mm). With stainless steel hoods.