This mechanical pencil combines writing und erasing in one product. The telescopic eraser was especially developed for erasing the lead of mechanical pencils. In addition, MONO graph is equipped with an exceptional mechanism to advance the lead: Through lightly shaking the pen the lead is extended. In this way, the usual change of the grip for using the push-button is not necessary. By pushing the clip upwards the lead is fixed, so that it does not come out accidentally. A further special feature of this products is the stationary tip of 4 mm length for precise work und reduced lead breakage.

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