Complete flat surface, drill-down mounting solution with an overall height of 5.225" 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 Compatibility: Garmin ECHOMAP Plus 72cv 73cv, 74cv, 75cv 77cv; Garmin GPSMAP 722, 722xs, 742, 742xs; Garmin Striker Plus 5cv, 7cv, 7sv. Lowrance HDS Carbon 7, HDS LIVE 7, Fishfinders, GPS Chartplotters. Humminbird & Raymarine Fishfinders,GPS Chartplotters