1. The suction cup is massive and holds bombproof on the disc, BUT 2. The joint is absolutely flawed! The socket consists of 2 plastic parts, which are connected to 2 small 5mm long cog, so turned the screw in plastic. Since the tensile forces are much too high, tearing a screw out immediately, the bracket folds down. (?) I totally understand how an engineer can construct something without hurting his honor ...;) A recessed metal thread, and everything would have been Paletti, but so, rated "poor".
