Uni-Ball Zento Signature Ballpoint Pen"ZENTO" uses newly developed water based ink that maintains the smooth writing feel of conventional water based ink while improving bleed resistance and quick drying performance. By blending POA surfactants, which act as cushioning agents, writing stress is significantly reduced, soft writing experience. It features clean lines with reduced bleeding and helps to prevent writing shake. This is a premium model equipped with a magnetic cap. Available in