Modular design means you can place components where they're most needed. Universal mounting system (included) for easy installation on panels up to 2 5/8" thick; also mounts on walls (hardware not included). Grid components lock in place and move in any direction. Welded steel construction with hardened epoxy finish. Contains one GridWall, two letter trays, two-slot sorter, binder bin, and 2-ft. shelf. Panel Accessory Type: Organizer; Width: 38 1/8 in; Depth: 15 in; Maximum Depth: N/A.