These pencils features pencils with tops that range in hardness, allowing thick or thin marks. 6.9 mm-diameter feature a slim hexagonal barrel. Features a 2.2 mm strip for the harder degrees and 3.5 mm strip for the softer degrees. Includes 2 each of grades HB, 2B, 4B and 2H. 1 each of the remaining 16 grades (9B - 9H). They're packaged in a tin for convenient selection.