• Complete flat surface, drill-down mounting solution for the Humminbird Helix 8, 9, 10, 12, 15, Solix 10, 12, 15, and Apex 13 & 16; RAM® Mounts ball and socket technology allows for near-infinite adjustability
  • Includes 3.68" round base with D size 2.25" rubber ball, short length D size double socket arm, a RAM® Hi-Torq™ Wrench and a 1.5" x 4.5" rectangle base with D size 2.25" rubber ball that connects to your Humminbird Helix marine electronic
  • Made of Powder-coated, marine-grade aluminum for durability and reliability in the most demanding marine environments
  • Backed by a lifetime warranty
RAM® Drill-Down Ball Mount for Humminbird Helix 8-15, Solix & Apex
Part#:RAM-D-202-25-C-202-KNOB9HU UPC:793442912900
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, a RAM® Hi-Torq™ Wrench, 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 various Humminbird models including the Helix 8, 9, 10, 12, 15, Solix 10, 12 15, and Apex 13 & 16. 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


hole pattern

Rectangular Plate: 1.5" x 4.5"
Round Plate: See Drawing

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


Marine-grade aluminum

packaging type

Poly Bag


3.5 lb