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Pilot CON-40 Fountain Pen Converters


About the Pilot CON-40
The Pilot CON-40 fountain pen converter fits most Pilot cartridge converter style fountain pens. Pilot pens use a proprietary ink cartridge and can only use Pilot converters as well.
Each Pilot CON-40 converter comes with a clear plastic body to see the ink level. Inside are small ball bearings to agitate and keep the ink fresh. The converter has a small twist knob to control the piston within the converter to fill with fountain pen ink.
Product Specifications
Available Sizes & Colors
Guaranteed Quality
Each Pilot CON-40 Fountain Pen Converters we sell is guaranteed to be genuine, authentic and will arrive brand new & unused!
Each Pilot CON-40 converter comes with a clear plastic body to see the ink level. Inside are small ball bearings to agitate and keep the ink fresh. The converter has a small twist knob to control the piston within the converter to fill with fountain pen ink.
Product Specifications
Available Sizes & Colors
- Pilot CON-40 Fountain Pen Converters - Clear
Guaranteed Quality
Each Pilot CON-40 Fountain Pen Converters we sell is guaranteed to be genuine, authentic and will arrive brand new & unused!

Pilot CON-40 Reviews
It fits the pen I bought it for. No complaints.
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I know many people knock this for a small capacity, and that's true for what it can hold. I fill mine with a syringe, though. With that method you get more ink in it.
As for function, it has four ball-bearings that serve as agitators for the ink. This actually works better than the CON-70, believe it or not, for allowing every last drop to get down into the feed. The one upside to the lower capacity is that putting this in a Metropolitan means you can sample an ink, get a few days writing from it, then change to something new. If you like to frequently change colors without inking up multiple pens, this could be an advantage.
Personally, I've dedicated my Metro, and this converter, to Noodler's Ink 54th Massachusetts ink. That ink is wonderful to use, but can be difficult to clean if you let it dry in the pen. In smaller volumes, and hence more frequent flushing of the pen and converter, you avoid these issues entirely.
So, if you can tolerate the small volume, or seek it, get this converter. It works well.
As for function, it has four ball-bearings that serve as agitators for the ink. This actually works better than the CON-70, believe it or not, for allowing every last drop to get down into the feed. The one upside to the lower capacity is that putting this in a Metropolitan means you can sample an ink, get a few days writing from it, then change to something new. If you like to frequently change colors without inking up multiple pens, this could be an advantage.
Personally, I've dedicated my Metro, and this converter, to Noodler's Ink 54th Massachusetts ink. That ink is wonderful to use, but can be difficult to clean if you let it dry in the pen. In smaller volumes, and hence more frequent flushing of the pen and converter, you avoid these issues entirely.
So, if you can tolerate the small volume, or seek it, get this converter. It works well.
5
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Works beautifully
5
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Works. Doesn't completely fill ink reservoir. Seems like it will last with a little TLC.
3
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I have several of these converters. (What can I say - I like Pilot pens.) They all seem to be working fine. Will probably buy more in the future too. :)
5
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I bought the con-40 to use with my Pilot Kakuno to sample inks. It does no have a lot of capacity but for my purpose it works well.
4
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This converter lifts my Pilot MR Metropolitan to a new level. Definitely worth it.
5
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Used in Metropolitan with Italic-Medium, Fine, & Medium nibs.
Pros: Best ink flow of all the Pilot Converts I've used so far. The filling action is smooth and the ink flow has been consistent with different types of inks.
Cons: You can hear the ball-bearings rattling if you jostle the pen around. While it has no functional impact on the performance of the pen, it makes it feel cheap and has lead to me being hesitant lending my pens to people.
If you need a converter, my opinion has this one well above the CON-50.
Pros: Best ink flow of all the Pilot Converts I've used so far. The filling action is smooth and the ink flow has been consistent with different types of inks.
Cons: You can hear the ball-bearings rattling if you jostle the pen around. While it has no functional impact on the performance of the pen, it makes it feel cheap and has lead to me being hesitant lending my pens to people.
If you need a converter, my opinion has this one well above the CON-50.
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Beats the Con-20, higher in quality but tiny ink capacity.
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Just a converter
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