The popular spring-loaded RAM X-Grip phone holder features an 'X' design that expands and contracts to provide a perfect fit for your device - even if it's in a case. Made of high-strength composite and stainless steel, the RAM X-Grip phone holder is compatible with a wide variety of RAM double socket arms and mounting bases. No matter what double socket arm and mounting base you pair the RAM X-Grip with, RAM ball and socket technology allows for near-infinite adjustability to achieve the ideal viewing angle - while also extending the life of your phone by providing shock and vibration damping. For outdoor applications - like being used as a motorcycle phone mount - the RAM X-Grip includes a device tether that is recommended for added security and peace of mind.Features Spring-loaded 'X' design with rubber caps sports great holding power without hiding your phone; includes optional device tether for peace of mind during rugged useCompatible with any B size RA...