The RAM-HOL-UN7-400U consists of the small Tough-Claw base and universal X-Grip cradle. The X-Grip cradle has a clean and clever four leg design that sports great holding power without hiding your smart-phone behind foam pads and plastic. The X-Grip cradle expands and contracts for perfect fit of most smart phones. This mount rotates 360 degrees. 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.