The RAP-B-101U-G4 consists of a 2.5" diameter round base with the universal AMPS hole pattern, double socket arm 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.