207 Impact RT Pen delivers an ultra-smooth ink flow from a 1.0mm tip. The uni Super Ink prevents check and document fraud. Innovative auto-retractable tip withdraws into the barrel as you clip the pen to any surface. Ink is acid-free fade-resistant and water-resistant. Contemporary barrel design features an extra-control rubber grip for comfort and control in writing. Barrel reveals the ink supply so you know when to refill the gel pen with uni-ball 207 Impact RT refills.