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. It is designed to install directly in a boat, kayak or on any flat surface. | 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 and arms. | 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. | Industrial Grade Manufacturing Standard - Industrial-grade manufacturing standards ensure firm connections and protect your equipment. Drill-down mounting solution, choose rectangle plate featuring the AMPS hole pattern for attachment to compatible device holders (screws not included). | Compatible with Garmin: GPSMAP 722, GPSMAP 722xs, GPSMAP 723, GPSMAP, 723xsv, GPSMAP 742, GPSMAP 742xs, GPSMAP 743, GPSMAP 743xsv, Striker Plus 5cv, Striker Vivid 5cv, Striker Plus 7cv, Striker Plus 7sv, Striker Vivid 5cv, Striker Vivid 7cv, Striker Vivid 7sv, ECHOMAP Plus 72cv, ECHOMAP Plus 73cv, ECHOMAP Plus 74cv, ECHOMAP Plus 75cv, ECHOMAP Plus 77cv, other Fishfinders and GPS Chartplotters. | Compatible with Lowrance: HDS Carbon 7, HDS LIVE 7, Hook Reveal 7 Series, Hook Reveal 9 Series, Elite FS 7, Elite FS 9, other Fishfinders and GPS Chartplotters. Compatible with Humminbird and Raymarine: Most Fishfinders and GPS Chartplotters (Please note: the Humminbird Helix 5, 7, 8, 9, 10, 12, 15, the Solix 10 are NOT compatible).