Uni One Retractable Gel Ink Roller Ball Pens, Black 0.38mm, Pack of 3

The ink used in this pen is dark and vividly colored. It is a quick-drying ink that penetrates the paper quickly, without any bleeding or absorption of the coloring material into the paper surface. This is achieved due to the ink's unique formula that prevents the coloring material from being absorbed by the paper.

The shaft design of the pen is simple and straight, with a stylish appearance. The pen also features a movable clip, adding to its overall aesthetic appeal.

The ball diameter of the pen is 0.38 mm, ensuring a smooth and precise writing experience. The color of the axis and the ink are both black, creating a cohesive and professional look.

The combination of the high-quality ink, the sleek and functional design, and the precise ball diameter makes this pen an excellent choice for those who value both form and function in their writing instruments. Whether for daily note-taking, journaling, or professional use, this pen offers a reliable and enjoyable writing experience.

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