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These syringes are exactly what I was looking for cleaning and refilling fountain pens, converters and cartridges. The blunt needles are small enough to store in the syringe for easy transport and storage. If this is why you are buying these it would be an excellent choice for you.
Why use an expensive ink-converter that's going to fail when you can just refill the plastic cartridge already in the pen? I started doing this with Rotring drawing pens because the ink cartridges that they supply have about six drops of ink in them. Now I just fill them up with Higgins fountain-pen India ink and they're good to go. Works for Schaefer calligraphy pens too.
I was making a terrible mess trying to fill my converter before these (funny thing is that I was using UV ink so it was an invisible mess but if SIU shined their lights on my hands they would have pegged me for a pervert or something)
I didn't have any instructions on how to use these to fill the cartridge so I did still make a mess the first time I used them but after I figured out where to stick that needle all was well and I get about a 110% fill (Pilot says that's okay) on the cartridge compared to the 50% I was getting before.
A very good friend on mine is crazy about fountain pens. He appreciates quality pens and is particular about the ink that goes in them. The syringes allow him to refill empty cartridges with his preference of ink. When I last spoke with him he was recharging a cartridge with his favorite green ink. I highly recommend these syringes.
These were PERFECT for my needs!! Wish I would have discovered these years ago. I've been using fountain pens for decades and went through ink tubes like crazy. I found buying it in a bottle and refilling is much more economical. I can also experiment with more colors than I ever used to because of the ease of filling a cartridge. Thank you!
These are perfect for use in cleaning and filling fountain pens, and it is nice to have extras on hand in case the plastic syringe part gets picked up by a cat from the countertop where it was drying and is used as a toy, causing it to be punctured by the cat’s teeth. Not an entirely hypothetical situation, from my personal experience.
I picked these up to be able to fill my converters and on occasion that samples of ink to send to friends. They are clear and easy to clean fully between uses and hold up to several cleanings using pen flush with out having the markings rub off which is something I usually have to deal with. The blunt ends have been a good size to help flush out converters but with out being so long that they are awkward.
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.