"Designed for light-duty saltwater use, the RAM Mounts B Size 1"" Composite Fish-Finder Mount for Lowrance HOOK2 Series lets you swap out the factory mounting option for the proven quality of a RAM fish-finder mount. Simply attach the included adapter to your Lowrance HOOK2, and you're ready to connect the double-socket arm and round base featuring the AMPS hole pattern. High-strength composite and powder-coated aluminum construction brings marine-grade durability, making the RAM Mounts B Size 1"" Composite Fish-Finder Mount for Lowrance HOOK2 Series the best fish-finder mount for keeping your investment secure in rugged environments on your kayak, inflatable, or other vessel. Weight: .5 lbs. The best Lowrance fish-finder mount for reliability and easy operation B-size 1"" composite drill-down kit Simply attach the included adapter to your HOOK2, and you're ready Double-socket arm and round base with AMPS hole pattern High-strength composite and marine-grade aluminum construction Perfect for kayaks and inflatablesView the RAM Mounts Compatibility Chart"