Retractable gel pen contains specially formulated ink that helps prevent a common form of check fraud known as "check washing." Superior gel writing performance features a uni-glide ink system. Uni Super Ink is also fade-resistant & water-resistant. Ultra-micro point delivers precision lines. Textured rubber grip offers superior writing & control, while the retractable tip provides added convenience. Use the clip-on barrel to attach pen to notebooks, pockets & more. Uni-ball 207 Retractable Pen is refillable.