First-class quality for your paper. A clear and even handwriting reflects an accurate and clever working style: With the Uni-Ball roller, you create the optimal conditions for a pleasant writing experience. It glides effortlessly across the page, making thoughts and documents an impressive calling card. Additionally, its thoughtful design ensures a comfortable grip. Draw lines of various thicknesses with the conical tip. This roller uses the color blue. Keep this tool handy whenever versatility is needed, as the Uni-Ball roller is made for perfection.