Oil base paint in a handy marker. The most popular paint marker on the market. Marks on virtually every surface. Extensively used by manufacturers, construction professionals and hobbyists. Great for marking sheet metal, auto parts, glass, pipes, wood, concrete, leather, stone, tile.liquid paint markers are ideal for use in automotive and other forms of transportation, construction, welding, and metal production and fabrication. These permanent or temporary liquid paint markers offer real paint in multiple tip sizes and colors, including a range of certified colors for nuclear and other corrosion resistant applications.