Pack of 12 Graded Pencil Set 5H – 6B Artist Office School Craft Art Sketching Drawing Shading 17.5cm Wooden Pencils. This Graded Pencil Set contains twelve pencils that are constructed from wood and measure 17.5cm in length. The grades of these pencils range from 5H – 6B and are perfect for adding depth and shading to drawings and sketches. Ideal for adding depth to sketches, 5H – 6B range. Suitable for home, office, or school use. Product Dimensions: 17.5cm x 0.5cm. Materials: Wood.