Universal Add-On Pocket for Grande Central Filing System, Plastic, BlackAdd-on pocket attaches to Grand Central filing systems (Universal 08137, 08138 and 08174—sold separately). Filing pocket features a compartment designed specifically for cards and notes. Includes ID label for categorizing files. Durable plastic. Hanging File Systems Type: Single Pocket; For File Size: Legal; Letter; Overall Height: 9 3/4"; Width: 15 3/4".