Wolff's Carbon Pencil. Often considered by artists to be the 'perfect pencil', it combines the advantages of a graphite pencil (precise, sharp lines) with the advantages of charcoal (dense black strokes), and none of the drawbacks (dirty fingers!) Ideal for rapid, expressive sketching, the Carbon Pencil can be used with graphite and charcoal to produce a range of effects and textures, and lends a satisfyingly matt finish. Combines the best drawing attributes of graphite and charcoal. Grade 6B. Item Package Quantity: 1.