Kessil Premium Mounting ArmThe Kessil Mounting Arm is a rigid arm that allows your Kessil light to be suspended over your tank by clamping onto the aquariums rim. The mounting arm has an adjustment for height, as well as distance making it a perfect mounting solution for any Kessil light. With its integrated cord channel, there is no more need for plastic zip ties to manage the cables because they will route cleanly inside of the Mounting arm itself. Front to back adjustment