First-class quality for your paper. A clear and even handwriting reflects an accurate and clever way of working: With the Uni-Ball roller, you create the optimal conditions for a pleasant writing experience. It glides effortlessly across the page and is easy to control. Thoughts and documents thus become an impressive business card. Additionally, its thoughtful design makes it comfortable to hold. Draw lines of varying thickness with the conical tip. This roller uses blue ink. Keep this tool handy whenever versatility is needed, as the Uni-Ball roller is made for perfection.