A permanent paint marker designed for the automotive manufacturing industry, the Auto Mark 2018-P is the toughest, fastest and longest lasting paint marker on the market. Its durable, easy-to-hold, large diameter barrel contains more paint- allowing you to make more marks than with other paint markers. Pigmented ink will mark on almost any surface- porous or non-porous- including metal, glass, wood, rubber, and plastic. Opaque colors will clearly mark on light or dark surfaces. Weather/Fade resistant. Valve-action bullet tip helps control paint flow and will keep the marker from drying out when cap is left off. For industrial use only.