Zebra® Sarasa Dry Gel X20 Gel Pen, Retractable, Medium 0.7 mm, Blue Ink, Clear/Blue Barrel, 36/Pack (ZEB46236) EachZebra Sarasa Dry Gel X20 Retractable Pen Rapid Dry Ink technology dries in less than a second on most surfaces, eliminating smears and smudges. The perfect pen for lefthanders. Transparent barrel lets you know when you're running low on ink. Pen Sub Brand & Product Family: Sarasa Dry Gel X20 Global Product Type: Gel Pens Pen Type: Gel Pen Pen Style: Retractable Pen Tip Type: Conical Pen Point Size Type: Medium Pen Point Size: 0. 7 mm Pen Ink Color(s):