RAM Mount Garmin GPSMAP 62 Series Flat Surface Mount [RAM-B-138-GA41U]RAM Flat Surface Mount for the Garmin Astro 320, GPSMAP 62, 62s, 62sc, 62st & 62stc Description: The RAM B 138 GA41U consists of a 2. 5" diameter round base with the universal AMPS hole pattern, double socket arm, diamond adapter base and high strength composite cradle. The mount is designed with a RAM 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite