This configuration includes three, dual monitor curved bow arms and a 42″ single pole with horseshoe grommet base. 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 90° of omni-directional movement. Included set screws allow the mounting bow to be positioned anywhere along the pole.