Fiam presents air marking pen. It provides effective marking on all materials such as ferrous and non-ferrous metals, hard steel, glass, stone, plastics, ceramics, etc. It is also suitable for deburring and personalization of workshop tools. The pen offers a reciprocating movement at 500-600 strokes/sec. This speed is 3 times faster in comparison to other pens, resulting in quick and accurate marking. Using this marking is similar to using a standard ball point pen on paper. The pen has a tungsten carbide point with hi-tech treatment resulting in a long service life.