The RAM Headrest Base without Ball (RAP-469-NBU) secures to the headrest of most cars, providing a clean mounting location for phones or tablets to elevate the backseat experience of your passengers. Complete your solution by installing any additional RAM mounting components using the 2-hole AMPS pattern, providing a rock solid headrest solution for virtually any application. Made of high-strength composite, this solution is made for the long haul and is backed by a lifetime warranty.