Type Nib unit with nib, feed and screw in housing
Product Name Nib unit. This version of the Cartier nib has a plastic collar.
Thanks to a knowledgeable friend on Instagram, we're thinking these fit:
- Old version of the Pasha
- Diabolo mini
- Must de Cartier
- Cougar de Cartier
Manufacturer and Year Cartier, France, 1970s or 1980s (?).
Measurements Outer diameter of threads 7.32mm. Widest diameter below threads: 6.84mm. Length from top of threads to nipple end: 21.8mm. (We have found these threads exactly match the thread pitch for JoWo #6, which is not to say they are JoWo #6 compatible .... it's just that the same tapping tool used for JoWo #6 will create threads at the front of the section which will accept these nib units. We can give you more details if you like, we've made a dozen pens that accept these nib units and they fit beautifully.)
Condition These were new old stock nibs, we believe originally intended for the Cartier Pasha fountain pen. The nibs are 18k nib with perfect tipping. It's got just a little light flex to it and is very smooth and a little on the wet side. These Cartier nibs are famous for smoothness.
We did the architect grind here at PSP. It produces a crisp fine line with a thinner downstroke than the horizontal stroke. See writing sample below.
If you are trying to replace an existing nib unit, please make sure you can unscrew the existing nib from the section as you will want to measure it and confirm the style of collar is a match before ordering.
We've taken extensive measurements, but it's difficult to ID any other specific pens that they might fit into. We have previously used the nibs (without the Cartier screw-in housing and with an Eversharp Symphony feed) on our Soquel and Ranga 4CS models. The measurements are close to that of a Bock #5 unit, but they're just a tiny bit larger than the Bock.