ArtGraf Water-soluble Graphite Pencil 6B Dark Gray ARTGRAF Water-soluble Graphite Pencil redefines your sketches with its exceptionally soft 5mm lead, offering a wide range of shades of gray captivating. Unlike traditional pencils, this pencil features a wide 5mm lead that allows you to create a wide range of lines and shades, from delicate to bold, with incredible ease. li> Artgraf graphite lead is exceptionally soft, allowing you to effortlessly blend and layer layers, achieving exquisite watercolor-like effects in your drawings. Hardness grade 6B . Brand: ArtGraf.