Box of 12 pens. Uni-ball Vision Micro 60108 Rollerball Pen, 0.5mm Micro Point, Blue Uni Super Ink. Vision Rollerball Pen features an innovative system that regulates a steady flow of waterproof ink to the point for consistent smoothness and color intensity. Solid, stainless-steel point is quiet, responsive and won't bend under pressure. Uncapped pen offers a visible ink supply. Uni Super Ink helps prevent check washing. Ink is also acid-free, fade-resistant and water-resistant. Nonrefillable.