ArtGraf

ArtGraf a soft graphite putty that allows the user to shape the drawing tool according to specific drawing needs. Shape it into a large ball and make big colored areas for big drawing or shape it into a smaller tool for greater control.

ArtGraf is the water-soluble graphite product line made by Viarco, a pencil company based in Portugal. In addition to the water-soluble graphite they make, they also have these colored graphite pieces that are available in limited colors, and sold individually or in sets.