B Size 1 inch Fishfinder Mount for the Lowrance Hook² Series Designed for light duty fresh water use, this B size (1”) aluminium drill-down kit for the Lowrance Hook² allows users to swap out the factory mounting solution with a RAM® Mounts solution. Simply attach the included adapter to the Lowrance Hook² and you’re ready to connect the double socket arm and round base featuring the AMPS hole pattern. Made of high strength composite and powder coated marine grade aluminium, this kit is designed to keep your Hook² secure and stable in rugged environments on your kayak or inflatable. Material: Powder Coated Marine Grade Aluminium Ball Size: 1 inch Rubber inch B inch Ball Size