The AquaIllumination Prime HD Flex Arm is the most flexible mount offered by this trusted brand. It is suitable for attaching onto a rimmed or rimless tank, and features a sleek and stylish look for a modern touch on your aquarium. With the silicone-coated flex arm, it is sure you will receive an attractive and sturdy piece for mounting your Al Prime HD. For simple installation, wire-management clips are provided in favor of a smooth and quick set-up. Available in 12 or 18 inches.