Uni-ball Signo Standard Gel Ink Ballpoint Pen UM-100, 14 colors set (Japan Import) [Komainu-Dou Original Package] Uni-ball Standard Gel Ink Ballpoint Pen Very smooth. The ink is not blurred. Pen tip diameter & Ink Color: 0.5mm/ Black, Red, Blue, Blue black, Brown black, .7mm/ Yellow, Green, Purple, Yellow green, Sky blue, Yamabuki, Fluorescent pink, 0.8mm/ Gold, Silver ( Total 14 colors )