The RAP-299-3-UN8U consists of the RAM-A-CAN cup holder base, double socket system and universal spring loaded X-Grip cradle for 17.78cm (7") -20.32cm (8") tablets. The cup holder base includes a 15.24cm (6") flex mounting feature. A durable composite shell construction and soft fins that can be trimmed to fit makes the cup holder mount one of the most portable and versatile Go Anywhere products offered. The mount is designed with a RAM 2.54cm (1") diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and perfect viewing angles. The included X-Grip cradle has a clean and clever four leg design that sports great holding power without hiding your phone behind foam pads and plastic. The spring loaded X-Grip cradle expands and contracts, allowing for a perfect custom fit of your tablet. The perfect complement to the modern sleek interior of today's vehicles, the RAM X-Grip is the cell phone cradle evolved. The X-Grip includes a device tether recommended for outdoor applications. The cradle is compatible with handheld devices that will fit the dimensions listed below. It is important to verify the dimensions of your handheld device with a case/sleeve/skin when determining the overall size.