The Benro BH0 ball head is produced using the latest in precision machining & manufacturing technology, which ensures smooth & secure operation. The dual-lock quick release system & automatic safety lock, is fast & secure & the built-in spirit level means straight horizons every time. Ball & socket heads are extremely useful if equipment needs to be ready for action in a split second, as they have are very flexible in most planes. Both vertical & horizontal axis, are easily achieved & one locking mechanism fixes the camera in place. However, it does mean being extra vigilant when locking the camera into place as it can be easily left loose.