Natural charcoal sticks are quite possibly the oldest artist material in the world, famed for their ease-of-use & versatility, their blueish hue has always held a fascination with artists throughout history. Available in several degrees of hardness, the PITT Compressed Charcoal range from Faber-Castell is a natural progression of this medium. Grease & oil-free, each artist-quality pencil is made using a combination of soot & clay, easily producing a much bolder, deeper black line.