Modular design means you can place components where they"re most needed. Keep your desk supplies organized and within easy reach while preserving valuable desk space. 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.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.