The muvi extended pole mount is designed to give users a better field of vision which is ideal for self portrait filming with the help of the strong and robust extended arm built to any tube diameter ranging between 09 mm 23 mm the muvi extended pole mount has 2 ratchet pivots that are fully adjustable to allow you to angle your muvi or muvi hd any way you want the muvi extended pole mount comes with a tripod mount but is also compatible with the cradle mount that comes with your muvi or m