The RAM-B-102-UN10U consists of a diamond base, double socket arm and universal spring loaded X-Grip IV holder for 5" large phones and phablets. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at the both ends of the socket arm; this with a twist of the arm knob, allows you can move the X-Grip mount to your optimum viewing position. The 2.43" x 1.31" diamond base has two holes 1.912" from center to center and matches the industry standard AMPS hole pattern. The spring loaded X-Grip IV holder expands and contracts, allowing for a perfect custom fit of your 5" phone or phablet. Included are easy access grip knobs for quick insertion and release of your handheld device.