Safco GridWorks Compact Office Organization System, Charcoal Gray: * Modular office organization system * Universal mounting system (included) for easy installation on panels up to 2-5/8" thick * Mounts on walls (hardware not included) * Grid components lock in place and move in any direction * Welded steel construction with hardened epoxy finish * Includes one GridWall, two letter trays, two-slot sorter, binder bin, and 2ft shelf