Arkon's Heavy-Duty C-Clamp Mount for Tablets with 10" Aluminium Mounting Arm features an innovative holder that adjusts to fit any 9"-12" tablet, even with cases. The 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.Included spring-loaded holder is compatible with iPad Air, iPad with Retina display, iPad 4, iPad 3, iPad 2, iPad Original, Google Nexus 10, Samsung Galaxy Tab 10.1, Samsung Galaxy Note 3 10.1, Samsung 7 11.6, Amazon Kindle Fire HD and HDX 8.9, Sony Xperia Z, Microsoft Surface Pro 2, Asus Transformer Book T100, and other 9"-12" tabletsHolder includes 8 support legs (4 long and 4 short for maximum versatility). For most large-sized tablets, the best configuration is 2 short support legs on the top of the holder and 2 of the longer support legs on the bottom of the holder as shown in the image at left. Insert tablet horizontally into the holder, then adjust 360° swivel as neededMounting base has minimum clamping width of 0.25" and maximum clamping width of 1".