207 Needlepoint Pen contains a specially formulated ink that helps prevent check fraud. Uni Super Ink is specially formulated to become trapped in paper, helping prevent criminal check washing & other document alteration. Needlepoint delivers precise writing while the durable, stainless steel tip resists bending. Textured grip provides superior writing comfort & control. Pen offers a retractable tip & water-resistant, fade-resistant ink. Quick-drying ink is acid-free & archival-quality for documenting & record-keeping.