Professional Writing Tool : Designed for precision, this pen's 0.5mm refill offers a superior writing experience, ideal for professionals and students. Easy Color Switching : Quickly switch between eight vibrant colors to customize your notes, charts, and diagrams. Durable & Reliable : The spring retractable feature ensures the pen remains functional over time, even with frequent use. Highlighting Without Bleed-through : The fade-proof ink ensures your highlights remain bright and visible without bleeding through the page. Stylish And Functional : With its elegant design and practical features, this pen is a must-have for any desk or briefcase. Unleash your creativity with this 8-in-1 ballpoint pen, designed for those who demand the best in writing tools. From crisp lines to bold highlights, this pen delivers everything you need for a professional touch on your documents and creative works.