The RAM-B-177-UN9U consists of a glare shield clamp base, double socket arm, round base adapter and universal RAM® X-Grip® cradle. The mount is designed with a RAM 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 RAM® X-Grip® clamping cradle consists of a composite spring loaded cradle, expandable grip arms and additional bottom support keeper. Included are extra easy access grip knobs, located on the back of the cradle for quick release of your tablet. The RAM® X-Grip®clamping cradle expands and contracts for perfect fit of most 10" tablets with or without sleeves, as well as some smaller tablets. Please verify dimensions of your tablet below for compatibility with the RAM® X-Grip®.