Thick, vibrant lines allow you to make a bold statement every time you write with these uni-ball gel Impact refills. Designed specifically for uni-ball pens, these refills offer protection from check washing and other fraud attempts. Features uni Super Ink that is specially formulated to help prevent check fraud. Ink is designed to become trapped in paper, helping prevent criminal check washing and other document alteration. uni-ball 207 Impact refills in black help keep your favorite pen going.
