Arkon TAB086-12 Heavy-Duty Tablet Holder - C Clamp Tablet Mount Arkon\'s Adjustable Heavy-Duty C-Clamp Mount for Tablets features an innovative holder that adjusts to fit any 9\"-12\" tablet, even with cases. The 12\" flexible neck and c-clamp mounting base allows mounting on most flat-edged tables, desks and counters, carts, or other flat-edged or cylindrical surfaces. It also mounts to posts and rails. The clamp is adjustable to fit on wide or narrow surfaces.