RAM® X-Grip® Universal Holder for 7"-8" Tablets with Ball includes a device tether recommended for outdoor applications. The cradle is compatible with handheld devices that will fit the dimensions listed in “Key Features”. KEY FEATURES Spring-loaded 'X' design with rubber caps sports great holding power without hiding your tablet; fits most 7"-8" tablets and includes optional device tether for peace of mind during rugged use Easy access grip knobs on the back of the holder allow for the quick release of your tablet Includes 1.5" C size rubber ball compatible with any C size RAM® Mounts double socket arm; ball and socket technology allow for near-infinite adjustability Backed by a lifetime warranty Cradle Dimensions - Minimum Width = 2.5" (Minimum Height = 7") / Maximum Width = 5.75" (Minimum Height = 4") / Depth = 0.875" The RAM-HOL-UN8BCU consists of a spring loaded cradle and 1.5" rubber ball connected to the back of the base. Included are extra easy access grip knobs, located on the back of the cradle for quick release of your tablet. The RAM-HOL-UN8BCU expands and contracts for perfect fit of most 7"-8" tablets. It is important to verify the dimensions of your handheld device with a case/sleeve/skin when determining the overall size.