The RAM-B-121-GA38U consists of a yoke clamp base, double socket arm and cradle for the Garmin GPSMAP 695/696. The RAM yoke clamp mount will fit rails from 0.625″ to a maximum of 1.25″. Designed into the mount is a 1″ diameter patented rubber ball and socket system with adjustment points at the base and cradle. With a twist of the arm knob, you can move the yoke clamp mount to your optimum viewing position.