The RAM-HOL-TABL8U 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 tablet, along with keeping it secure while on the go. Cup ends are designed to optimize the functionality of your tablet, allowing access to audio jacks, usb, power, and other ports, your tablet can be used just as it was intended. Quickly lock the cradle, keeping your tablet secure and safe from theft. 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. 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. The Tab-Lock cradle is compatible with any tablet that will fit the dimensions listed below. It is important to verify the dimensions of your tablet when determining the overall size. Cradle Dimensions: Height: 8.75" to 10.75" Width: 6.38" to 8.31" Depth: 0.13" to 1.12" Note: Product consists of holder only. Case not included.