Upgrade your old gimbal mount with a Humminbird Gimbal Mount for HELIX Models! Pair your Humminbird fish finder with the corresponding mount. Each gimbal mount has everything you need to install it on your boat. Keep your fish finder secured and in perfect view during your next fishing adventure!Includes the gimbal mount, knobs, and mounting hardwareHelix 5Item # 740143-1GM H5 is a gimbal mount for all HELIX 5 modelsHelix 7Item # 740146-1GM H7 is a plastic gimbal mount for all HELIX 7 models, except HELIX 7 G4N modelsHelix 10Item # 740149-1GM H910 is a metal gimbal mount for HELIX 10, HELIX 9, and HELIX 8 modelsManufacturer's one-year limited warranty