Created for the eco-conscious writer, ONYX is made of 73% post-consumer recycled material. Designed for long-lasting durability, it delivers a delightful, smudge-free glide for effortless writing. Stock your office, home, or classroom with the Onyx rollerball pen from uniball, featuring a strong, long-lasting 0.7mm fine tip. This rollerball pen delivers the silky-smooth glide of a fountain pen without smudging for effortless writing. The pen with a fine point produces crisp lines with an unparalleled definition, making it easy to create fine details in your drawings and diagrams.