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. The variety of colors (black, blue, red and green) will enable convenient to distinguish the marks, for example to indicate the conductors (phase, ground, zero, etc.). 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.