Mitsubishi Pencil Co., Ltd. “uni-ball one F” from “uni-ball one”, a gel ink ballpoint pen that develops darker black and more vivid colors, will be released on Tuesday, September 21st. New release –
Amazon.co.jp: UNI-BALL EYE MICRO UB-150 Gel Ink Pen - 0.5MM - Uni Mitsubishi Pencil (Black, Blue, Red Mix) 12 Pens by Uni-ball : Office Products