The RAM-HOL-TABL17U consists of a spring loaded back plate, custom support cups and locking mechanism. This spring loaded design makes it easy to load and unload your iPad, along with keeping it secure while on the go. Cup ends are designed to optimize the functionality of your iPad, allowing access to audio jacks, usb, power, and other ports, your iPad can be used just as it was intended. Quickly lock the cradle, keeping your iPad secure and safe from theft. Included is a set of four nuts and bolts to connect the cradle to any RAM components or mounts that contain the universal AMPs hole pattern. The included back plate is interchangeable with various size support cups, making it compatible with numerous tablet models. New detachable support cups are the only components needed for purchase, attach to the back plate for support of your new tablet.