MM-VH423 Features: -Tube.-Set screws allow the mount to be positioned anywhere along a pole.-Key hole mounting slots for faster installations.-Through counter base allows cable and power to be routed through a solid surface 12-degree of omni-directional movement and 360-degree rotation. Color/Finish: -Color: Back. Dimensions: -Dimensions: 43" H x 8.88" W x 4.05" D.