The Quest FR1907-45-02 is a 2-post floor mount racks offer space saving convenience for mounting of patch panels, hubs, routers, telephone equipment and more. They are constructed of quality aluminum, are tapped for #12-24 mounting screws. They have a professional looking Black micro finish or natural aluminum silver finish, with numbered rack units, and are available in 3ft., 4ft. And 7ft. Heights.