The super six nibs collection is the ultimate collection for modern calligraphers.

The super six nibs are the:

Nikko G Nib
Brause No. 361 Nib A.K.A Blue Pumpkin
Brause Rose No.76 Nib
Leonardt Ef Principal Nib
Leonardt Hiro No.41 Nib A.K.A Crown Nib
Leonardt 30 Pointed Nib

Please note that only the Nikko G, Brause No.361 and Brause Rose No.76 fit into the Moblique penholder. All of these nibs fit the universal penholder.