Super Heavy - The weight capacity of the marine electronic mount can be up to 15.5 lbs at rest and 6.6 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 (Includes a complimentary 316L marine-grade stainless steel mounting kit). Superior Compatibility - The rectangle plate contains different combinations of pre-drilled holes to match many electronic devices and mounts, including Marine GPS, CB Radios, Ham Radios, Gimbal Brackets and more. The AMPS hole pattern is designed to install directly in a boat, kayak or on any flat surface. Perfectly fits 1.5 inches / C size / 38 mm adapters and arms, compatible with RAM Mounts, Arkon, iBolt and others. Sturdy and Reliable - Made of marine grade aluminum and stainless steel hardware, coated with high quality powder coatings for corrosion resistance and stability in the harshest conditions. The mount has been salt spray tested for thousands of hours to resist high salt water corrosion. Cast in one piece of aluminum rather than screwed together, it remains strong and durable even under the impact of waves. Package Includes - The fishfinder mount consists of a C size 3.35" length double socket arm, a 6.23" x 2" universal marine electronic devices mounting plate and a 2.4" diameter round base. Perfectly fits 1.5 inches / C size / 38 mm adapters and arms, compatible with RAM Mounts, Arkon, iBolt and others. Compatible with Garmin: ECHOMAP CHIRP 72, 73, 74, 75, ECHOMAP CHIRP 92, 93, 94, 95, ECHOMAP Plus 7", ECHOMAP Plus 9", ECHOMAP UHD 6", ECHOMAP UHD 7", ECHOMAP UHD 9", ECHOMAP UHD2 5", ECHOMAP UHD2 7", ECHOMAP UHD2 9", GPSMAP 7" Series, GPSMAP 8" Series, GPSMAP 9" Series, Striker 5, Striker 7, Striker Plus 5cv, Striker Plus 7 Series, Striker Plus 9sv, Striker Vivid 5cv, Striker Vivid 7 Series, Striker Vivid 9sv, other Fishfinders and GPS Chartplotters. Compatible with Lowrance: Eagle 7, Eagle9, ELITE FS 7, ELITE FS 9, Elite-7 Series, HDS Carbon 7, HDS LIVE 7, HDS LIVE 9, HDS PRO 9, HDS-5 Series, HDS-7 Series, Hook Reveal 7, Hook Reveal 9, HOOK-7, HOOK-9, HOOK2-7 Series, HOOK2-9, other Fishfinders and GPS Chartplotters. Compatible with Humminbird: Helix 8, 9, Xplore 9, other Fishfinders and GPS Chartplotters (NOT compatible with: the Humminbird Helix 5, 7, 800 & 900 & lon & Onix & PiranhaMax Series) Includes a complete flat surface, drill-down mounting solution and a C size 3.35" length 1.5" double socket arm; The ball and socket technology allows for near-infinite adjustability. The mount is designed with a 1.5" diameter rubber ball and socket system that has adjustment points at both ends of the double socket arm. This allowing for almost infinite adjustment and perfect viewing angles. The design discourages shock and vibration, helping to extend your device’ life. The dual socket arm with a unique shape is perfectly designed to provide the best performance for most applications. Great Compatibility, compatible with Lowrance: HDS Carbon 7, HDS LIVE 7, other Fishfinders and GPS Chartplotters. Compatible with Humminbird, Raymarine: Most Fishfinders and GPS Chartplotters (not compatible with Humminbird Helix 5, 7, 8, 9, 10, 12, 15, the Solix 10 are ). Compatible with Garmin: ECHOMAP Plus 72cv, ECHOMAP Plus 73cv, ECHOMAP Plus 74cv, ECHOMAP Plus 75cv, ECHOMAP Plus 77cv, GPSMAP 722, GPSMAP 722xs, GPSMAP 742, GPSMAP 742xs, Striker Plus 5cv, Striker Plus 7cv, Striker Plus 7sv.