RAM Marine Drill-Down Double Ball Mount for Humminbird Helix 7 - Medium

RAM-202-24-202U RAM® Drill-Down Double Ball Mount for Humminbird Helix 7 - MediumFeatures Rectangular plate features a 4-hole pattern which will fir Humminbird Helix 7 Included C size medium 143mm double socket arm Round 63.5mm plate is ideal drill down base and incorporates the universal AMPS h