Displays2go Set of 4 - Office Wall File Organizer, 5 Tiers, Holds Letter Size Folders, 3 Inch Pockets Steel (TWIR05BLK) Office wall file organizers come in a set of 4 Can be mounted to a wall or hung from a cubicle Each folder rack is designed to hold letter sized manilla folders 5-tier design and 3" pocket depth means that these hold a large amount of folders! Displays2go SKU#: TWIR05BLK