Size of hardy disks

Hello people urgently need the diameter of the hardy (joint shafts) discs for the 2L 16 V. Must now be renewed on the WE since I have to tuv and at ebay I did not find any for the 2L 16 V, but with the diameter you could help me there in the shop.. If you know any other dimensions please enter these also. Will the order at APT the should unfortunately not fit http://cgi.ebay.de/…ryZ61030QQcmdZViewItemQQ_trksidZp1713.m153.l1262 thank you for the help gruß stefan