Pilot Coleto Pen Hack To Fit Uni Style-fit or Zebra Prefill Inks

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I'm a big fan of the Pilot Coleto pen bodies, and the main reason is because they are padded where one holds the pen. There is a current, albeit unfortunate, trend in the new-style Coleto pen bodies to use hard clear plastic, and all pen bodies from Uni Style-fit and Zebra all use clear hard plastics which hurt my fingers with extended writing.

However, both Uni Style-fit and Zebra Prefills offer great selection of colors and different gel, emulsion, and oil-based ink cartridges that are not to be missed out. So this post is to show you how easy it is to modify ink cartridges from Uni and Zebra to fit your Coleto multi.



In the picture below you can see the length of Coleto ink cartridge compared to the rest. All ink cartridges tubes are similar in diameter.


Pull the plastic tip from the Coleto cartridge (with slight force), and you can see that Coleto ink tube is actually 6mm shorter than the rest. So remember to always save the plastic tips from your used Coleto cartridges, because you will need them for this hack to work!



Cut 6mm off from your Uni Style-fit or Zebra ink cartridge.



And insert the plastic tip you saved from an empty Coleto cartridge, into the Uni or Zebra tube you just cut shorter.


And voila! You can now install the Frankenstein ink cartridge into your Coleto pen!


Please visit my Etsy shop for Japanese pen related products here: Taroko Shop