RAM Mounts Drill-Down Mount for Garmin Colorado 300, 400c, 400i & 400t

The RAP-B-138-GA27 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 adjustment and perfect viewing angles.