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Just what I was looking for to get every last drop of ink out of sample ink vials, among other ink related tasks. Also works great for charging converters rather than trying to suck the ink up using a vacuum. Just draw some ink into the syringe and inject directly into the converter.
How did I not know that you could refill a cartridge with syringe instead of buying endless little cartridges? I'm saving the cartridges for when I travel, and I'm using these nifty syringes. I rinse it out after filling until the water squirts clear, then dry it thoroughly before storage to prevent rust.
I have purchased syringes for filling my fountain pens before and found it hard to control the flow from the syringe. This leads to really messy refilling of the pens. This one seems much easier to control than others I've purchased and the thin tip helps as well.
Easy use, easy to clean,A lot quicker than trying to use a standard twist converter. No need to worry about air bubbles or any of that kind of thing. Made it really simple and quick to fill up My fountain pen.
There are so many proprietary cartridges and converters and ink bottles with unfriendly bottoms or narrow necks that these needles are the only way to work around this problems. Cartridges can be reused, converters quickly washed, and ink of any bottle used 100%.