"The RAM-HOL-TAB29-CUPSU includes (2 qty) RAM Tab-Tite cup ends and hardware. The interchangeable support cups can be used with all RAM Tab-Tite and RAM Tab-Lock mounts. Hardware is included to attach the cup ends to the backplate. Cradle Dimensions: Height: 8.25"" to 11"" Width: 5"" to 5.88"" Depth: 0.3"" to 0.67"""