RAM® EZ-Roll'r™ Composite Drill-Down Mount for Garmin eTrex 10, 20 & 30

The RAP-B-138-GA48 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.