DetailsMount your fishfinder confidently with the RAM MountsRAM 1.5" Ball Mount with 2.5" Round Base & 1.5" x 3" Plate for the Humminbird Helix 5. Consists of a round 2.5" diameter round base (Universal AMPs Hole Pattern), double socket arm and 1.5" x 3" rectangular base. The rectangular base contains four holes with a center to center pattern of 1" x 2.5". For most applications, mount will support up to ten pounds. Overall Height: 7.35".
FEATURES:
• Round 2.5"-dia. base, double-socket arm, 1.5" x 3" rectangular base • 4 holes in rectangular base with center-to-center 1" x 2.5" pattern • Supports up to 10 lbs. • For Humminbird Helix 5 only