Liquid ink rollerball pen adopts stabilized ink, so it is not easy to block the pen tip.
The tip is fully automated by high-precision equipment, so it is not easy to accumulate ink and scrape paper, you will have a smooth writing experience.
The pen head of tungsten carbide balls is wear-resistant and durable.
The top is dense and the bottom is sparse, this design can adjusted the pressure inside the pen, so the ink output smoothly.
Liquid ink rollerball pen uses a visible ink tank, the usage of ink can be seen in anytime, say goodbye to the trouble of suddenly running out of ink.