Create the organizational system that works for you. Expandable system begins with the basic pocket that mounts flush to wall (hardware included). Customize by attaching the desired number of add-on pockets to the basic pocket to increase storage. 1 5/16″ capacity. Includes a deluxe Hot File label holder with blank label and clear protective sheath. Durable plastic construction is perfect for active offices. 13w x 8 15/16h space requirement.