RAM MOUNTS' RAM-B-316-1U consists of the RAM POD I universal No-Drill vehicle base, 18 in rigid aluminum rod and single 1 in ball socket arm. The base of the mount connects to your seat rail without any drilling necessary. The 18 in rigid aluminum rod can be bent to position your device to its optimum viewing location. Installation Instructions: At right angles to the base of the 18 in long leg is a foot with a mounting hole. Simply place the hole into the passenger seat mounting bolt and adjust the mount to the required height with the rigid aluminum rod.