The RAM-B-189-TAB12-ALA1-KRU consists of a double twist lock suction cup base, diamond base adapter in a recessed pocket for a lower profile, double socket arm with aviation extended retention knob, and Tab-Tite™ universal clamping cradle. The Tab-Tite™ backplate features interchangeable end cups, making it modular making it compatible with numerous tablet models. 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.