The RAM-B-316-1-UN8B consists of the RAM POD I universal No-Drill™ vehicle base 18" rigid aluminum rod socket system and universal spring loaded X-Grip® cradle for 7" tablets. The base of the mount connects to your seat rail without any drilling necessary. The 18" rigid aluminum rod can be bent to position your device to its optimum viewing location. The spring loaded X-Grip® cradle expands and contracts allowing for a perfect custom fit of your 7" tablet. Included are extra easy access grip knobs located on the back of the cradle for quick release of your tablet. The X-Grip® includes a device tether recommended for outdoor applications. The cradle is compatible with handheld devices that will fit the dimensions listed below. It is important to verify the dimensions of your handheld device with a case/sleeve/skin when determining the overall size.