Pentonic Medium Point Ballpoint Pen, 1 Mm, Assorted Ink Colors, Charcoal Gray Barrel, 25/packEach PENTONIC pen has a sleek charcoal gray finish for a comfortable grip and smooth, effortless writing and journaling. The nickel silver pen tip is 1. 0 mm medium point for thicker lines. The low viscosity ink allows the rolling ball to glide across all kinds of paper surfaces without smearing. You get a consistent flow of ink from the very first use to the very last. The pen cap also helps to maintain the lifespan of your ballpoint pens!