Add a secure location for your Humminbird Helix 8-10 or Solix 10 fish finder/chartplotter with this RAM Drill-Down Marine Electronic Mount. Flat surface drill-down mounting solution Marine-grade powder-coated aluminum Ball-and-socket for near-infinite adjustability Short double socket arm 3.68 inch diam. round base with D 2.25 inch rubber ball 1.5 inch x 4.5 inch rectangle base with D 2.25 inch rubber ball (4 hole pattern) Backed by lifetime manufacturer's warranty
