Ram mounts drill-down ball mount for humminbird helix 8-10 & solix 10

This powder-coated, marine-grade aluminum Humminbird 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 compatible with Humminbird 8, 9 & 10 models. 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. PRODUCT DIMENSIONS: Overall Height: 7.875". SOCKET TO SOCKET LENGTH: 3.6". HOLE PATTERN: Rectangular Plate: 1.5" x 4.5". PLATE SIZE: Top Plate: 2" x 5", Bottom Plate: 3.68" Diameter. BALL SIZE: D Size (2.25"). WEIGHT CAPACITY: Standard Use: 6 lbs, Heavy-Duty Use: 5 lbs. NOTE: For Humminbird devices greater than 10" including Helix, Solix & Apex, the version of this mount with RAM® Hi-Torq™ wrench is recommended for extra support.