Uni-ball UB-157 Rollerball Eye Fine Pen Light Blue

The company was founded in Tokyo by Niroku Masaki in 1887, Uni-ball and Uni are brands of pens and pencils, made by the Mitsubishi Pencil Company Limited, Mitsubishi Enpitsu Kabushiki Gaisha) of Japan. The brand was introduced in 1979 as a rollerball pen model, then expanding to the rest of Mitsubishi Pencil products.