Tree Stand or Rail Hunting Bendy Mount for GoPro HERO HERO2 HERO3 HERO3+ Camera
Constructed of mostly metal with a very heavy duty clamp which opens to 2 inches.  The flexible gooseneck is 27 inches long (700mm) can can be bent to your desired angle.  This mount includes a custom GoPro adapter with screw that fits the bottom of your weatherproof case.