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An excellent, handy converter...
July 17, 2013
An excellent, handy converter that will work in many "cartridge-only" type fountain pens. It works in early versions of the Kaweco Sport fountain pens and it's an alternative to the Kaweco aerometric, squeeze converter for these older pens. Please see my reviews of the Kaweco "squeeze" converter.

Besides using it to fill your pen with bottled ink, this mini-piston converter can be used to clean and flush many small, cartridge-only, fountain pens. Some pens may not have enough space in the barrel for this converter, but the converter will still fit properly on the feed nipple. I have found this converter to be very useful for flushing the nib and feed of several "cartridge-only" fountain pens.

Simply fill a glass with tap water, insert the converter into the feed nipple, as you would an ink cartridge, immerse the nib in the water and pump the piston several times until the water comes out clear. Shake out excess water from the nib and feed and let the nib unit dry before inserting a new cartridge. Cleaning your pen like this will insure that it will continue to work properly.

8 people found this helpful
I ordered this converter...
March 8, 2013
Verified Purchase
I ordered this converter for its size. I knew going in that this would not be the highest quality converter. I have a Retro 51 fountain pen that officially only takes small international cartridges. I figured for the price, it was worth a shot to try this converter - and it worked! Not perfectly though. For example: 1) The fit is not very tight, so it wobbles a bit. 2) After filling the ink fully and replacing the barrel, the plunger goes down a bit, so you don't get the full amount of ink. In the end, it writes very nicely. The ink started immediately and doesn't skip. I'm using Pelikan Brilliant Brown. I've had no problems with blotches, leaks or spills. So, I'm happy.

I like to use bottled inks. For me, it's part of the fountain pen experience, so although this is not a perfect solution, it's a nice option.
6 people found this helpful
Fits the jetpens chibi...
January 31, 2015
Verified Purchase
Fits the jetpens chibi pen perfectly. I really like the plunger mechanism. I'm using this converter even in pens large enough for the standard twist converter because its capacity is not much smaller but it's so much easier to use.
5 people found this helpful
Works great and I love...
April 25, 2016
Verified Purchase
Works great and I love using it instead of pricey cartridges.
OK so I have not tried...
April 19, 2016
Verified Purchase
OK so I have not tried for it felt very cheesy and I was scared to ink it, may try later if pen holds up.
So small but it work...
April 3, 2016
Verified Purchase
So small but it works
Works with the Jetpens...
March 25, 2016
Verified Purchase
Works with the Jetpens Chibi 2. No complaints!
Great! Used it for my...
March 22, 2016
Verified Purchase
Great! Used it for my Chibi 2 Mini.
It perfectly matches...
March 20, 2016
Verified Purchase
It perfectly matches with Kaweco sport.
The pro: Fits pens that...
March 8, 2016
Verified Purchase
The pro:
Fits pens that have only a cartridge as an alternative. While this is not the end of the world, I am fond of my own bottled inks, and prefer not being limited by cartridge choices.
The con:
Exceptionally small capacity, and, try though I might, I was unable to fill completely.
The rest:
Purchased to test the Chibi 2, so given the use that I envision for the Chibi, small volume is not a deal killer. The vacuum fill is simple, clean, and generally effective.
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