The uni-ball ONYX Rollerball Pen with micro point (0.5mm) delivers the silky-smooth glide of a fountain pen without smudging or smearing. Featuring a precision metal tip, this stick-style pen produces neat, precise strokes ideal for intricate writing, detailed diagrams, note-taking, signing documents, and creative projects.

Each pen is built with innovative uni Super Ink technology that forms a strong bond with the paper, offering resistance to water, fading, and fraud — making it suitable for important and archival-quality documents. The acid-free ink ensures long-lasting results. The sleek matte black barrel is made from 73% post-consumer recycled material, making these pens an eco-conscious office choice. This Costco value pack includes 24 black ink pens (model UBC60040KT).