Roller uni-ball pen ub-157 wine 0.7 mm unit

Roller uni-ball pen ub-157 wine 0.7 mm each. Liquid ink marker. Color of the ink on the cap. Water-based ink of great luminosity. Its unique ink control system, in addition to preventing dripping, gives it incredible smoothness in writing. It incorporates a window to control the ink level. With clip goal lico. With 0.7mm tungsten carbide ball tip. 0.5 mm stroke.