RAM® Composite Drill-Down Mount for Garmin GPSMAP 73, 78, 78S, 78SC

The RAP-B-138-GA40 consists of a 2.5" (63.5 mm) 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" (25.4 mm) diameter patented 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.