Humminbird IDMK-H5; in Dash Mounting Kit for Helix 5740142-1
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The IDMK H5 is an in-dash mounting kit for HELIX 5 Series fish finders. This provides what is needed to complete a secure and finished look for in-dash mounting of your Humminbird fish finder.
Compatible with: All HELIX 5 Series
This optional in-dash mounting kit is not optimized for metal dash scenarios