Help Turbo fixing studs!

[ratman]

Hello,
finally I’m able to fit the spare turbo I bought but I have to fit new studs on it.
As far as I should be able ti find here the studs, I really need the measures of them.
I saw in the book that there are the studs attached to the exhaust manifold (A100E6167S) and to the wastegate manifold A100E6436S (called 30mm stud), A100E6438S (called 60mm stud) and A100E6437S (called 81mm stud).
Do you know the exact measures of them?
I know that the ones fitted to the exhaust manifold are not really necessary but the mechanics is worried to brake one (or more) of them!
Thanks for your help!!!