Gel Ink-pens from Pilot with a 0.5 mm Extra Fine tip. The Pen is filled with a Gel ink that flows easily and comes in seven different colors. Refills can be bought for the regular colors: Pilot BLS-G2-5 Gel Ink 0.5 mm Refill. You can also check out the wider variant which comes in even more different colors: Pilot G-2 Gel Rollerball Pen, 0.7 mm.
