Amber clamping devices spannfix on ball joint can easily be rotated in all directions as well as can adjusted well and offer maximum working options with easy usage an adjusting screw at the lower seat of the ball enables the individual setting of the movement of the ball long life is guaranteed by the high quality powder coated aluminum casting and the steel parts with refined surface esd version with a surface resistance between 107 and 108 o offers the highest possible safety against st