Stock your office, home or classroom with Onyx Rollerball Stick Pens from uniball featuring strong, long lasting tip sizes. This rollerball pen delivers the silky-smooth glide of a fountain pen without smudging for effortless writing. ONYX pens produce crisp and precise lines for intricate writing, making it easy to create super fine details in your drawings and diagrams. Capped roller pens are useful for a variety of tasks from note taking to signing checks and legal documents to uniquely embellishing fun and creative writing projects. Innovative uni Super Ink technology forms a strong bond with the paper, protecting from water, fading and fraud. A great economic and environmentally-conscious choice as this super sleek micro point roller pen is made from post-consumer recycled material.