These uni-ball 207 refills feature uni Super Ink specially formulated to help prevent check fraud! Designed for use with gel pens, these quick-drying, water-resistant refills help prevent smears and smudges. Ink is designed to become trapped in paper, helping prevent criminal check washing and other document alterations. Quick-drying, water-resistant ink is also acid free for archival-quality documenting and record keeping. Retractable gel pen refills. These uni-ball retractable 207 refills in blue offer dark ink.
