Satin-finish stainless steel unit with all-welded construction. Unit is theft resistant and equipped with a tumbler lock keyed like other Bobrick washroom accessories. Dispenser holds two standard-core toilet tissue rolls up to 5-1/8" (130mm) diameter (1500 sheets). Rough Wall Opening: 12-1/2" W x 7-3/8" H x 4" min. depth (3/8 x 187 x 1/2mm).