Be confident in your purchase we're an Authorized AquaIllumination Dealer. How cool is that?!?!? NOTE: This listing is for the Mounting Kit Only. The light is not included. Redesigned and Stronger Than Ever! The HMS Single Arm Mounting Kit is perfect for tanks that only need a single Hydra LED unit, or if you want to have multiple units without a rail running across your tank. The kit comes with mounting brackets for the 32 and 64 series of LED lights that can slide forward, backward, and also twist within the rails for the ideal position. The height of the mounting system can also be adjusted making it a great industrial looking mounting system for the Aqua Illumination Hydra LED lighting systems. Includes brackets for Hydra 32 and 64 Lights. Rails can slide for positioning Clamps on rimless tanks up to 1.125" thick Light brackets twist for perfect coverage Includes wire guide-clips Between the HMS Rails, and the modular mounting brackets for the tank, and the light the HMS Single Arm can be fully adjusted to fit virtually any size tank from 10 gallons and up. The Single Arm Mounting Kit also includes guide clips to route the Hydra's electrical wires along the mounting arm rails to keep everything clean and organized. Specifications: Max Rimless Tank Thickness - 1.125" Max Height - 13.0" Max Outreach - 14.3" What's Included? Hydra 64 Bracket Hydra 32 Bracket Pivoting Bracket Mounting Clamps 15" Rail Set Wire Guide Clips Note - Designed for rimless tanks and not guaranteed to fit with rimmed aquariums.