This pack of pitt pressed charcoal is made of the highest quality materials by faber castell this pack contains 3 pressed charcoal crayons in a soft grade of hardnesspitt charcoal is produced from a mixture of soot and charcoal which offers the deepest possible black with a soft stroke pitt pressed charcoal is made into a crayon like stick which is less prone to breakage over standard charcoal sticks pitt charcoal forms uniform deep black lines which can be easily wiped or corrected it is a