The Humminbird Helix 5" RAM-202-153-202U mount in anodized-coated marine-grade aluminum features a medium C-ball arm, a 6.35cm-diameter round base with a 3.81cm C-ball and a 2.54 x 6.35cm rectangular plate with C-ball and 4-hole pattern.The RAM Mount technology with rubber ball absorbs shock and vibration, and offers almost infinite adjustability so you can position your device at the perfect vision angle.
