The Schneider One Hybrid C 0.5mm Rollerball Pen Red combines the smooth writing performance of liquid ink with the durability of a conical tip. Featuring premium liquid ink and a 0.5mm conical tip, it delivers smooth, consistent lines for everyday writing, editing, note-taking, journaling, and professional documents. The visible ink level allows you to easily monitor ink usage, making it an ideal choice for school, office, and daily use.