Markers short length, leave virtually no fade, lasting trace. Write well for a variety of surfaces such as metal, concrete, brick, wood, glass, cardboard, plastic and ceramics. Also can write without problems on other materials:. On a wet tree, film, tile, etc. leave visible, bright trace, and a special composition does not corrode the surface of the ink on which the inscription is applied. Markers are ideal both for production and for craftsmen: electricians, builders, specialists in the ventilation and plumbing. Such minimarkery indispensable in everyday life, for their own economic needs. Something to measure, stamp or draw - is not the problem! Hang a marker for the upper mounting ring of the keys, as a pendant, and he's always at your fingertips! Features Shelf life is unlimited; They do not contain harmful substances.