Before these mounts came out, i used the best ram mounts available for three humminbird 1199 units. no matter how tight you make that ball, the units would eventually move around from running over rough water and wind pressure. have you ever tried to re-position your gps screen racing on the rough water while trying to steer the boat and watch where you're going ?the balzout mounts are rock. Bbgmarine : balzout mounts - marine plumbing & ventilation marine and navigation cartography - garmin boat outfitting communication outdoor entertainment electrical /battery chargers marine safety / pfds automotive/rv cartography - misc camping cartography - navionics transducershield and saver hardware marine hardware ram mount store watersports & fitness marine instruments cartogrpahy. Its not suppose to be about the best gear out there. category sports; show more show less. loading... advertisement autoplay when autoplay is enabled, a suggested video will automatically play.