uni-flow Ink System regulates a steady flow of ink for smoothness and color intensity.
Archival-quality, acid-free ink for documents and record keeping.
Quick drying and water-resistant.
Barrels with visible ink supply.
Experience smooth, skip-free writing with uni-ball Vision Rollerball pens. These rollerball pens feature the uni-flow Ink System with smooth-flowing, quick-drying, acid-free ink that is ideal for archival documents and record keeping. The pens also offer windows for easy monitoring of your ink supply.