RAM Mount Universal X-Grip Holder Composite Surface MountPart #: RAP-B-138-UN7 The RAP-B-138-UN7 consists of a double socket arm, 2.5″ round base base and universal spring loaded X-Grip™ holder for cell phones. Designed into the mount is a 1″ diameter patented rubber ball and socket system with adjustment points at the both ends of the socket [...]