Mars Lumograph 100B Staedtler Matte Black Pencil High quality drawing pencil Special lead formulation with a high proportion of carbon for matte and intense results High resistance to breakage thanks to the special formulation of the lead and its double gluing Incredible resistance to breakage thanks to the special formulation of the lead and its double gluing Perfect lines The lines are reproduced well PEFC certified wood, from sustainably managed forests Certified wood, from sustainably managed forests