Smudgeproof and highly-opaque the Edding 950 paint marker is ideal for marking rusty soiled or wet surfaces with ease. It can even be used to mark items underwater making it a go to for marine industries. Its long lasting ink is heat resistant to 300 C. Features and Benefits Excellent for use on rough surfaces, unclean materials and rusty metals For use on a variety of surfaces including wood,stone,concrete & metal Highly permanent paste is smudge-proof and waterproof 10mm round bullet nib creates a wide stroke Writes underwater on clean surfaces Typical Applications Construction Metalwork Marine industries