Zebra Sarasa Retractable Gel Pen, Black Ink, Medium, 24/PackEvolutionary Rapid Dry Ink technology dries in less than a second, eliminating smears and smudges. The perfect pen for lefthanders. See-through barrel lets you know when you're running low on ink. Buy 20 black, get two blue and two red free. Point Size: 0.7 mm; Point Type: Medium; Ink Color(s): Black; Pen Type: Roller Ball.