Increases the Cable Management Capability of Your 42U Rack CabinetThese single-width rack accessories install in your enclosure using the included hardware to help you reorganize and improve the management of network and power cables. Keyhole slots provide toolless mounting for 0U PDUs, cables and other accessory items that need to be vertically installed in your rack. Two single-width vertical cable management bars with a classic black finish to match your rack are included. They are compatible with all SmartRack 42U floor-standing racks, including wide, deep and expandable models.