Secure your device with the RAM® Drill-Down Marine Electronic Mount. Great for those needing to adjust angles to better view, change for lighting conditions, etc. while ensuring a solid mount. KEY FEATURES Complete flat surface, drill-down mounting solution with an overall height of 7.35" RAM® Mounts ball and socket technology allows for near-infinite adjustability Made of power-coated, marine-grade aluminum for durability and reliability in the most demanding marine environments Backed by a lifetime warranty The RAM-111U consists of a medium double socket arm, 2.5" diameter round base, and 6.25" x 2" rectangle base. The round base includes a 1.5" C size rubber ball and contains pre-drilled holes, including the universal AMPS hole pattern. The rectangle base also includes a 1.5" C size rubber ball and contains a variety of pre-drilled holes that are compatible with several marine electronic devices, including fishfinders and chartplotters. Compatible Devices 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 Fishfinders and GPS Chartplotters Lowrance HDS Carbon 7 HDS LIVE 7 Hook Reveal 7 Series Hook Reveal 9 Series Fishfinders and GPS Chartplotters Humminbird Fishfinders and GPS Chartplotters Raymarine Fishfinders and GPS Chartplotters