|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.