RAM X-Grip Phone Mount with RAM Torque Small Rail Base (RAM-B-408-37-62-UN7U) (sku 50958)RAM X Grip Phone Mount with RAM Torque Small Rail Base (RAM B 408 37 62 UN7U) Take your mobile entertainment on the road with the new RAM Torque handlebar and rail mounting base. We've paired a B sized 1'' rubber ball base that accommodates bars 3 8" 5 8" in diameter with a B sized standard length arm and the dynamic X Grip for phones. The mount utilizes nylon insert locknuts to prevent loosening in high vibration environments. This low profile mount