This model uses the same JoWo number 6 nib as the Vac 700 but the front sections are not interchangeable. Compatible nib assemblies for the new Vac 700R are available.
Nib length = 23.3mm
Section length = 22mm
Section diameter (max/min) = 10.5/10.0mm
Barrel diameter (max) = 15.0mm
Total length (not posted, including nib) = 133mm
Total length posted (including nib) = 174mm
Weight = 32g