TRU RED Quick Dry Gel Pen, Stick, Fine 0.5 mm, Black Ink, Black Barrel, Dozen Bring a polished look to your penmanship. These pens are ideal for precise writing and notetaking. Smooth-flowing, quick-drying advanced-gel ink lays down clean lines while minimizing the potential for smudges and smears. Round barrel features a rubberized sleeve along its length for extra writing comfort. Each barrel matches the ink color so it's always easy to grab the right pen for the task. Acid-free.