Custom Pens, uni-ball 307 Gel Ink Pen - Anti-Fraud & Nano Fiber, World's first consumer application of high-tech Nano Fiber Ink Superior smoothness, drying-speed, and line intensity Write or draw effortlessly - even on glossy paper Textured grip uni Super Ink PLUS+ technology protects against water, fading & fraud Point size: 0.7mm Ink matches trim color ... #UB307 $2.29/each.