This configuration includes one dual articulating arm mount and a 15 in. single pole with table clamp base for multi-monitor mounts. The table clamp is typically used for temporary installations or for surfaces that do not allow any other option… for mount installation. Each mounting head provides 90¡ of omnidirectional movement. Included set screws allow the mounts to be positioned anywhere along the pole.Product Features:Supports 27″ displaysSuits displays with 75 x 75 mounting hole patternPerfect fit on almost every surface