Nib Units - Standard Size 6, 14k Gold EF, F, and B Transparent insert
This nib unit collection allows you to choose between 14k Extra Fine, 14k Fine, and 14k Broad Osprey Pens nib unit in transparent threaded insert.
This Nib Unit works with pre-filled ink cartridges or with bottled ink using a converter (any generic international or Osprey threaded converter will work with this threaded insert). Keeping in line with the interchangeable philosophy, this threaded nib insert fits nicely into a Milano, Scholar or Madison.
This threaded nib unit can be fitted to the following Osprey Fountain Pens:
JOWO Threaded insert: Osprey 14k nib unit is also offered in JOWO threading. JOWO threaded insert is designed to fit any fountain pen that accepts JOWO threaded inserts. JOWO threaded insert will not fit the Osprey Milano, Scholar, and Madison fountain pens. These custom inserts are designed for enthusiasts who wish to fit Osprey 14K nib unit to their JOWO threaded fountain pens.