Designed for light duty use, this B size (1”) ball base kit for the Lowrance Eagle 4 & 5 and Hook² allows users to swap out the factory mounting solution with a RAM® Mounts solution. Simply attach the included adapter to the Lowrance Eagle 4 & 5 and Hook² and you're ready to connect to a variety of compatible RAM mounting solutions. Made of high strength composite and powder coated marine grade aluminum, this kit is designed to keep your Eagle 4 & 5 and Hook² secure and stable in rugged environments on your kayak or inflatable.