Pentel Rolling Writer Pen, 0.8 Millimeter Cushion Ball Tip, Blue Ink, Box of 12 (R100-C) 0.8mm Cushion Ball Tip adjusts to user's writing style for an outstanding writing experience. Produces crisp, clear lines at any angle without skipping or smearing. Smooth, expressive ink is ideal for notes and general writing. Convenient pocket clip allows you to take it with you wherever you go!