Artline EK231 Drawing System Pen 0.1 - Black

This product seems to have mixed reviews. Some customers praise its high level of pigmentation and smooth writing experience. However, others are disappointed with what they received, as they were under the impression that they would be receiving a pack of 12 pens, but only received one. Additionally, there was a buyer who claimed that they were unable to write even one sentence with the pen, while others Consider it the best or an excellent product. Overall, customers seem to be divided in their experiences with this pen.