The Schneider One Hybrid N 0.3mm Rollerball Pen Green combines the smooth writing performance of a rollerball with the precision of an ultra-fine needle tip. Featuring premium liquid ink and a 0.3mm tip, it produces exceptionally fine, crisp lines for detailed writing, note-taking, journaling, technical work, and professional documents. The visible ink level lets you easily monitor ink usage, making it an excellent choice for school, office, and everyday writing.