The RAM-B-101-G4 consists of ( RAM-B-202U + RAM-B-201U + RAM-B-202U ) a double socket arm, 6.35cm 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 2.54cm 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.