The Premier Mounts MM-BC153 includes three monitor mounts on a curved bow and a 15" single pole with table clamp base. 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 90deg. of omni-directional movement. Included set screws allow the mounting bow to be positioned anywhere along the pole.