For the price to be OK, but if you need to be recut thread, though a particular case may be but who has taps at home: D and you have to adjust the height via screw (otherwise slip the monitor down / only 19inch) is also not so plump. Let's see how long does the part ...
Edit: After 2 months, the ball joint depends by and shall be secured by the no longer screws! New purchase is on, but not here !!
