Set of 6 soft watercolor charcoal pencils Soft Carbon ArtGraf Soft Carbon pencils are very similar to traditional charcoals but with a composition that makes them very soft and smooth in contact with the paper. The lead of these pencils is very thick, with a deep, rich black color that can be blended with water. Can be used directly or diluted with water to create a pencil effect. watercolor that will add a special touch to your works. Soft Carbons are a good design tool and a beautiful way to transmit the entire Viarco tradition, it is an elegant pencil with a vintage aesthetic. Contains 6 units of pencils. Brand: ArtGraf.