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. 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 Specifications: Max Rimless Tank Thickness - 1.125" Max Height - 13.0" Max Outreach - 14.3" What's Included? 1x Hydra 64 Bracket 1x Hydra 32 Bracket 1x Pivoting Bracket Mounting Clamps 2x 15" Rails Wire Guide Clips Note - Designed for rimless tanks and not guaranteed to fit with rimmed aquariums. DIY shims would need to be made in order to fit a rimmed tank
