High quality charcoal pencil featuring a special lead formulation containing a high proportion of carbon and charcoal for a wide range of deepest black tones. They are particularly suitable for blending and hatching as well as for expressive sketches and portraits. The barrels are manufactured using timber grown PEFC-certified, sustainably managed forests. Lead diameter is approximately 4.5 mm. Available in 3 finely graded consistent degrees: S (soft), M (medium), H (hard).