The RAM Mounts RAM X-Grip Large Phone Mount with Drill-Down Base is a phone mount that has a 2.5-in diameter round base with a universal AMPS hole pattern, a double socket arm, and a universal spring-loaded X-Grip cradle for cell phones. The mount also has a 1-in diameter patented rubber ball and socket system with adjustment points at both ends of the socket arm. This allows the user to move the mount to their optimal viewing position with a twist of the arm knob.