Uni-ball Signo 307 Retractable Gel Ink Pen, Micro Point 0.38mm, Blue Ink, UMN-307-38, Value Set of 5. Uni-ball Signo 307 Retractable Gel Ink Pen, UMN-307-38. Even if write in a hurry, there is no rubbing of characters, Ink is difficult to accumulate.
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