The RAM-D-202-25-C-202 powder-coated, marine-grade aluminum Humminbird Helix mount consists of a short length double socket arm, a 3.68" diameter round base with a 2.25" D size ball, and one 1.5" x 4.5" rectangular plate with a 2.25" D size ball. The round plate contains two mounting holes at 180-degrees and three mounting holes at 120-degrees. The 1.5" x 4.5" rectangular plate contains a 4-hole pattern. The rubber ball and socket technology provides shock and vibration damping, and allows for near-infinite adjustability so you can position your device at the perfect viewing angle. Compatible with the Humminbird Helix 8, Humminbird Helix 9, Humminbird Helix 10, and the Humminbird Helix 12.
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