Message can be displayed on both sides informing people coming and goingExtra-stable stand supports letterboard from falling overThe Quartet magnetic letter directory features a double-sided, double-pedestal letter board with 2 magnetic surfaces to display messages on both sides. The open-face black surface features ridges, allowing easy alignment of the grooved, magnetic white letters. The frame is radius-edged, satin finished, anodized aluminum.Board size is 18H x 24"W. Overall height is 60". Base width is 11".Molded magnetic letters are also available (part numbers M1 and M3-4).