Uni-Ball 1734903 Vision black ink with gray barrel 0.7mm needle roller ball liquid stick pen. Ink provides smooth, even strokes to help prevent smears and smudges. 0.7mm medium point is perfect for bold lines and easy-to-read writing. Plus, its durable ink resists water or fading and can't be altered, preventing any criminal check washing or document alteration. An ideal professional option for your establishment's business office, reception desk or front of house staff.