uni-ball Vision Rollerball Pens, Fine Point (0.7mm), Black, 4 Count Reliably smooth, free-flowing writing the moment the pen hits paper Convenient visible ink supply window so you know how much ink remains Exclusive uni-flow rollerball ink system provides consistent smoothness and color intensity Features uni Super Ink which protects against water, fading and fraud Includes: 4 black rollerball pens, 0.7mm fine point