Natural charcoal sticks are the oldest sketching and drawing material in the world, and their hue has always held a fascination for artists, even the Old Masters. Made from soot and clay, Faber-Castell Pitt Charcoal Pencils contain natural charcoal that glides softly across the paper, rubs and smudges easily, and can be erased and overlaid with a minimum of difficulty. Grease-free and oil-free, these artist-quality charcoal pencils make bluish-black lines in your sketches. They're available in a variety of hardness degrees.