About this item

• ✎【Rollerball Pens】Straight liquid ink control system, the ink is uniform, the writing line is stable and smooth, quick-drying, and the writing is not afraid of being scratched.
• ✎【Smooth writing】The nib of the ballpoint pen is made of tungsten carbide balls for grinding, and with the 0.5mm bullet tip, the writing is smooth and the ink is continuous.
• ✎【Large-capacity ink】The liquid ink black pen comes with a large-capacity ink, which can reach about 3 ordinary gel pens, and the line length can reach 1300 meters.
• ✎【Visual Design】 The gel pen holder has a visual window, you can clearly see the remaining ink remaining in the built-in ink during use, and prepare for replacement in time.
• ✎【Easy to store】Each pen has a stainless steel clip on the cap, which is not easy to break compared with plastic and can be easily clipped on books, easy to carry and store.

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