This is the most current version of this marker, factory fresh. Box of 12 Sharpie Pro Industrial Markers 13601, Super Permanent Black Ink, Fine Point. Industrial Marker with extra fine point is ideal for industrial, laboratory and specialty use. Permanent ink remains permanent on metal, foil, glass, photographic film, plastic and most hard to mark surfaces, even in extreme heat and steam. Marker is water resistant and smearproof. High heat resistant ink (500F)