Amzer - Heavy Duty 4 Inch Tablet Mount Description Amzer's Universal Heavy Duty C-Clamp Mount for Tablets features an innovative holder that adjusts to fit any 7" - 12" tablet and a 4" arm. The C-Clamp base allows mounting on most flat-edged tables, desks and counters, or other flat-edged surfaces. It also mounts to posts and rails, like those on carts. It’s as simple as that…..Perfect for your next road trip or your drive around town. Safety first……With Amzer’s Heavy Duty 4 Inch Tablet Mount for your device!