1.5in. Ball Mount for the Humminbird Helix 7

The RAM-202-24-202, powder coated marine grade aluminum mount, consists of a double socket arm mount, one round 2.5in. diameter round base with the universal AMPS hole pattern and one 2in. x 4in. rectangular base. Rubber ball, socket technology dampens shock and vibration, as well as allows for almost infinite adjustment, perfect viewing angles. Powder coated marine grade aluminum.