Humminbird Helix Gimbal Mounts

Size GM H5 - GIMBAL MOUNT HELIX 5 MODELS 740143-1 GM H7 - GIMBAL MOUNT HELIX 7 MODELS 740146-1 GM H7R2 - GIMBAL MOUNT HELIX 7 MODELS 740199-1 GM H910 - GIMBAL MOUNT HELIX 9/10 MODELS 740149-1 GM H12 - GIMBAL MOUNT HELIX 12 MODELS 740151-1 GM H15 - GIMBAL MOUNT HELIX 15 MODELS 740189-1
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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.