Universal One Roller Ball Retractable Gel Pen, Blue Ink, Medium, Dozen Smooth flowing gel ink produces clean, consistent lines. Soft rubber grip for optimum comfort. Quick-drying ink means fewer smudges. Pocket clip. Nonrefillable. Point Size: 0.7 mm; Point Type: Medium; Ink Color(s): Blue; Pen Type: Roller Ball. Pocket clip. Manufacturer's limited one-year warranty.