Nib Unit - Standard, Fine, #6, Chrome, Stainless Steel Nib Unit - Steel, has a 4.3 ratinf out of 5.0.
This Nib Unit works with pre-filled ink cartridges or with bottled ink
this threaded nib insert fits nicely into a Milano, Scholar or Madison
This threaded nib unit can be fitted to the Osprey Fountain Pens
The Stock Madison comes with Friction fit size 6 flexnib in section.
To fit and to use standard size 6 Osprey nib units on Madison