The arm itself is okay, but the super spike is catastrophic if it is served a little too hard, the lever remains in the hands, and then the system is screwed to the arm and not followed suit via a spigot result during a plan or I were to drop the camera, the monitor has almost resulted on the ground because everything is unscrewed. If you do not use the crampon why not because the price is attractive and decent quality but if you need sturdy ...