STAEDTLER Lumocolor Permanent Duo Marker with Fine and Medium Bullet Tip, Smudge proof Waterproof, Quick Drying, Refillable, Long Life, 5 Black Markers, 348 9X

TWO LINE WIDTHS: This permanent, waterproof black felt-tip pen features 0.6mm and 1.5mm round tips – ideal for precise labelling and clear marking on paper, film, metal, and glass WORKS ON VIRTUALLY ANY SURFACE: These black pens perform reliably on almost any surface – plastic, glass, metal, or paper. Smear-resistant and waterproof for durable, long-lasting marking DRIES IN SECONDS: The fast-drying ink in this waterproof black pen prevents smudging – ideal for left-handed writers and busy workflows where waiting around simply isn't an option DRY SAFE TECHNOLOGY: This black marker can be left uncapped for days without drying out. The pressure-balancing valve keeps it leak-free on flights – dependable in every situation BUILT TO LAST: The robust polypropylene barrel and sturdy cap ensure long-lasting use of these waterproof black pens. Refillable with Refill Station 488 48 – for consistently reliable performance