The RAM-B-101-G4 consists of a double socket arm, 2.5" diameter round base with the universal AMPS hole pattern and round adapter base that attaches directly to the bottom of the Garmin echo and Striker 4 Series. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm; this with RAM's rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles. Included is hardware that is used to attach the Garmin echo to the RAM Mount.Compatibility: