This is one of a range of high precision ball & socket heads turned from solid aluminium alloy on the latest CNC machines, ensure superb quality of construction. Knurled aluminium knobs operate the unique locking mechanism ensuring positive locking and smooth operation of the ball joint. The most important feature of any ball & socket head is the diameter of the ball itself, which is directly related to the weight of camera it will carry, a factor which has played an important part in the design of Benbo Ball & Socket heads. A cork pad on the camera mounting plate ensures that cameras are safely fixed in position.