Permanent Engineering Marker Extra Fine Point Alcohol & Chemical Proof Wont Rube Off Works on All Surfaces Labeling That Lasts 100 Years: 3 per Pack: 1 Red & 2 Black

Lasts >100 Years: Permanent ink resists ethanol, isopropanol, dimethyl sulfoxide, acetonitrile, liquid nitrogen, water, acids & bases, bleach, peroxide, detergents, soaps, UV light, freezing , ovens, autoclaves, incubators. Writes on Difficult Surfaces: Reliable adhesion on glass, plastic, metal, paper, cardboard, wood, and even wet or moist surfaces. Never Dry Tip-Works Every Time: Humectant-rich ink keeps markers ready to use, even after long storage. For Professionals: For labs, industry, manufacturing, aerospace, healthcare, and creative fields. Fine & Medium Tip: 1 mm fiber tip delivers smooth, controlled strokes with minimal bleed-through for accurate labeling. Medium red tip for no miss labeling.