The RAM Glare Shield Clamp with Double Ball & Socket System, for the Apple Touch. Simply locate the clamp on any clamping surface up to 1" thick and gently snug the nylon thumb screws. The Double Ball & Socket System will provide perfect viewing angles to get the most from your Apple Touch. The RAM Glare Shield Clamp with Double Ball & Socket System is far and away the most discrete and clean way to mount most any compact electronic device to the glare shield of your aircraft. The "U" in the part number reflects product packaged in poly bag.