A new, and easy, way to mount your AquaIllumination Prime LED fixture. 12" long flexible gooseneck allows for easy position and adjustment of your light. The 12" arm is great for smaller aquariums. The silicone-coated flex arm is both an attractive and sturdy. AquaIllumination`s most flexible mount for a rimmed or rimless tank. Accommodates aquarium rims up to 30mm (1.2"). Wire-management clips are included.