The RAM-B-316-1-UN10U consists of the RAM POD No-Drill vehicle base, 18″ rigid aluminum rod, socket system and universal spring loaded X-Grip cradle for large phones and phablets. 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 phone or phablet. 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.