RAM Mounts Drill-Down Double Ball Mount for Humminbird Helix 7

The RAM-202-24-202U, powder coated marine grade aluminum mount, consists of a double socket arm mount, one round 2.5" diameter round base with the universal AMPS hole pattern and one 2" x 4" rectangular base. The unique rubber ball and socket technology dampens shock and vibration while offering high adjustibility to achieve the perfect viewing angle.