Industrial Grade Permanent Markers, black ink, heavy duty, 1 dozen, DZ

Tackle heavy-duty marking tasks with these Industrial Grade Permanent Markers. They feature durable, fine-point tips to write crisp, clear lines. Ink withstands temperatures up to 500 degrees, making it ideal for industrial, laboratory and specialty use. Ink remains permanent on metal, foil, glass, photographic film, plastic, wood, stone and most hard-to-mark surfaces in extreme heat and steam. Quick-drying ink is water-resistant and smearproof.