MM-AH153 Features: -Arm.-Set screws allow the mount to be positioned anywhere along the pole.-Through counter base allows cable and power to be routed through a solid surface.-Key hole mounting slots for faster installations.-Mounting head provides 90 degree of omni-directional movement. Color/Finish: -Color: Black. Dimensions: -Dimensions: 16" H x 45.46" W x 6.93" D.