This Uni-Ball rollerball features high quality gel ink, which is fade resistant, water resistant and tamper proof. The medium 0.7mm tip writes a 0.4mm line width for everyday use. The pen barrel also features a window for monitoring remaining ink levels and a rubber rip for comfort. This pack contains 12 pens with blue ink.
• Gel ink rollerball with medium tip.
• Light, chemical and water resistant uni Super ink.