This listing is for Size 6, stainless-steel, 2-tone Osprey nib unit compatible with Pens that accept JoWo nib assemblies. Available in Extra-Extra-Fine (EEF), Extra-Fine (EF), Fine(F), Med (M), and Broad(B) tip sizes.

These nibs are great for everyday writing. The nibs are fitted with plastic feeds. And work with pre-filled ink cartridges or with bottled ink using any generic international converter.The imprint on the nib and the color of the housing (clear or black) could be different from what you receive versus what is shown in the pictures.

These units will not fit Osprey Scholar, Milano or Madison fountain pens, as they are made specifically to match a Jowo housing thread pattern. Choose these nibs if you want to fit them with JoWo-compatible Scholar Fountain Pen collection, offered by Osprey or if you have pens that accept JoWo assemblies. 

This listing is for the Size 6, 2-Tone nibs.

EEF – 0.45mm
EF – 0.55mm
Fine – 0.65mm
Med – 0.75mm
Broad – 0.9mm-1mm

We also offer other JoWo compatible nibs as shown below:

#6 Stainless steel Ultra-flex series in Steel and 2Tone, with an Ebonite feed. And work with pre-filled ink cartridges or with bottled ink using any generic international converter. 

Special Grinds (Steel only):

Broad Stub (B-Stub)– 0.9 -1.0mm
Double Broad Stub (BB-S) - 1.2mm-1.5mm
Broad- Left Oblique (B L/O) 1mm-1.2mm
Broad- Right Oblique (B R/O) 1mm-1.2mm
Architect Broad (B A) – 1mm-1.2mm
Architect Double Broad (BB A) – 1.2mm -1.5mm
Zoom Double Broad (BB Z) – 1.2mm -1.5mm