This is the hocoro Dip Pen that makes it easier and more convenient to use bottled ink for fountain pens.
The "hocoro Dip Pen 2.0mm" is a product that includes one pen barrel and one 2.0mm nib.

Play with more ink colors, the casual and durable way.
You can enjoy a wide variety of fountain pen ink colors without the conventional messy fuss.
All you need to do is simply rinse the nib with water and wipe dry.