Instead of offering run of the mill drawing pencil sets, Koh-I-Noor goes the extra mile to produce Toison D’Or Graphite Pencil Sets, catering to specific artist and designer needs. The Toison D’Or line features high opacity pencils with clean erasing across the board, Strong and durable, leads are made with the finest Hardmuth Graphite and California Cedar wood casings. With specifically designed set ranges of hardness, these pencils allow artists to create dramatic effects exclusively to their style with illustrations, drawings, and design work. Pencils are offered in 2 lead diameters: 2mm leads (2B, F, H, HB, 2H-10H); 2.5mm leads (3B-8B). See set technical specs for set components.