Eyeye Roller Ball Pen Red 0.5mm – Pack of 12 | Smooth Fine Writing Pens Experience smooth and precise writing with the Eyeye Roller Ball Pen. Designed with a 0.5mm tungsten carbide ballpoint, this pen delivers extra fine lines with consistent ink flow, making it ideal for professional, academic, and everyday use. The durable metal clip ensures portability, while the visible ink level window allows you to track usage easily. With its fiber ink flow regulator and large capacity ink tank, this rollerball pen guarantees long-lasting performance without interruptions. Perfect for office work, school, note-taking, or creative projects, the Eyeye Roller Ball Pen combines comfort, style, and efficiency in every stroke.