The UNI-BALL Eye UB150 0.5mm Roller Ball Pen is a high-quality writing instrument designed for precision and durability. Featuring Uni-flow technology, it provides a smooth, uninterrupted ink flow that ensures consistent and reliable writing. The waterproof, fade-resistant, and tamper-proof Super Ink™ makes it perfect for important documents and long-lasting notes. With its fine 0.5mm tip, this pen produces a 0.3mm line width, making it ideal for neat and precise handwriting. The leak-proof and well-sealed tip prevents smudging and ink spills. Additionally, the transparent ink window allows you to monitor ink levels, ensuring you’re never caught off guard. Perfect for office, school, or home use, the UNI-BALL Eye UB150 combines functionality with durability, making it a go-to choice for professionals and students alike.