CRC marker pens are oil-based marking and labelling pens in particular for applications in industry and crafts. You guarantee long-term marks even on difficult surfaces and under extreme weather conditions. Excellent adhesion on metal, wood, concrete, stone, plastic, glass, rubber, paint, paper, cardboard, etc. with the pins are markings even on damp or rusty surfaces. Robust writing tip with medium width. The built-in valve mechanism controls the color flow when writing. Simple and clean to use and in nine colors.