The spring loaded cradle is durable and allows for easy removal or insertion of your tablet. 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. With a full complement of compatible mounts, you are sure to find the perfect solution for all your mobile needs.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 Tab-Tite™ 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. Please see the compatible devices for known devices that fit in this cradle.