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"