Optional Tether Included Sometimes, it's all about the design. If you are looking for a compact mount for your cell phone without that cookie cutter shape, you've found it. The RAM X-Grip has a clean and clever four leg design that sports great holding power without hiding your phone behind foam pads and plastic. This mount comes with the RAM Stubby cup holder mount. The durable composite shell construction and flexible support fins can be trimmed to size make this cup holder base a portable and versatile solution. The RAM ball and socket system allows for articulation at both ends of the double socket arm creating almost infinite adjustment and perfect viewing angles. Compatible with any vehicle cup holder with an inside diameter range of 2.57" to 3.5". 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. Cradle Dimensions Minimum Width = 1.875" (Minimum Height = 4.25") Maximum Width = 3.25" (Minimum Height = 2.25") Depth = 0.875"