Heavy Duty - The weight capacity of the marine electronic mount can be up to 15.5 lbs at rest and 4.5 lbs at motion. Heavy duty multi-angle drill base pedestal mounting solution for fish finder, GPS chartplotters and more. The AMPS hole pattern is designed to install directly in a boat, kayak or on any flat surface (screws NOT included).
Universal Design - Includes a C size 5.5" length 1.5" double socket arm and a complete flat surface, drill-down mounting solution; The ball and socket technology allows for near-infinite adjustability. Features 1.5 inch / 38mm / C Size ball joints that are compatible with all industry standard 1.5 inch / 38 mm / C size adapters, arms and RAM accessories.
Extremely Sturdy - Use the most reliable materials to manufacture. Made of marine grade aluminum and stainless steel hardware, coated with high quality powder coatings for corrosion resistance and stability in the harshest conditions.

Compatible with Humminbird: Helix 7, Helix 5, HELIX 5 DI, HELIX 5 DI GPS, HELIX 5 SI GPS, HELIX 5 SI GPS KVD, HELIX 5 SONAR GPS, HELIX 5 SONAR, HELIX 5 XD GPS (NOT compatible with: the Humminbird Helix 8, 9, 10, 12, 15, the Solix 10, 12, 15).