These pitt charcoal pencils are made of the highest quality materials by faber castell this pack contains 3 charcoal pencils in soft medium and hard grades which are especially suited to fine detailspitt charcoal is produced from a mixture of soot and charcoal which offers the deepest possible black with a soft stroke these pencils have all the qualities of charcoal in the convenience of a pencil the barrels of the pencil protect the charcoal from breakage whilst making less messhigh qualit