Gimbal Mounts for Humminbird Helix Models GM H5 740143-1: The GM H5 is a gimbal mount for all HELIX 5 models products. This includes the gimbal mount, knobs and mounting hardware. GM H7 740146-1: The GM H7 is a plastic gimbal mount for all HELIX 7 models products. This includes the gimbal mount, knobs and mounting hardware. GM H910 740149-1: The GM H910 is a metal gimbal mount for HELIX 10, HELIX 9 and HELIX 8 models products. This includes the gimbal mount, knobs and mounting hardware. GM H12 740151-1: The GM H12 is a metal gimbal mount for HELIX 12 models products. This includes the gimbal mount, knobs and mounting hardware.
