Shuttle Art 50 pack 0.5mm roller ball pens are all with black ink. 50 Combo Pack will fully meet your demands of daily writing marking and signing. The optimized extra fine point with flow-free ink delivers skip-free glides all the time which enables you to write more smoothly than traditional pens. High quality ink that dries quickly so there will be no smearing or smudging. The extra fine point pens with comfortable grips are easy to hold giving you the best control of your lines. Durable metal clip makes it convenient to carry with. Larger ink volume longer lasting time. These roller ball pens are suitable for school office and home. Ideal for writing journaling note-taking underlying sketching and more.