Carbon pencils are often considered by artists to be the perfect pencil. They combine the advantages of graphite (sharp lines) and charcoal (rich black lines) pencils without the disadvantages. Carbon pencils enable the artist to produce dramatic black marks, and are perfect for rapid and expressive sketches and drawings. This set includes a B, 2B, 4B and 6B pencil, and so is great for adding texture and drama to your drawings.