The RAM-HOL-TAB21-CUPSU includes (2 qty) Tab-Tite™ cup ends and hardware. The interchangeable support cups can be used, along with all RAM Tab-Tite™ and Tab-Lock™ mounts; these include the universal backplate that support all TAB cups. Hardware is included to attach the cup ends to the backplate. The Tab-Tite™ cradle end cups are compatible with any tablet that will fit the dimensions listed below. It is important to verify the dimensions of your tablet in the case when determining the overall size.