CASTELL 9000, graphite pencil from Faber-Castell. This classic graphite pencil is of the highest quality. For over 90 years, the legendary green Castell 9000 pencil has shown the areas of use in which it excels: writing, technical drawing, preliminary sketches, sketching and shading. Guaranteed to be easy to sharpen. Substantial application and long-lasting. All graphite pencils have a hardness grade that is an important factor in all artistic work. The letter H is the precursor in a series of increasing numbers with increasing hardness. The letter B indicates softness. The softest pencil is 8B, which produces a high degree of blackness. The hexagonal graphite pencil with its green, environmentally friendly colour is made using a technique that Faber-Castell was first to introduce. The pencils are manufactured in Germany. Length 180 mm, Ø7 mm. Available in 16 different hardness grades. Price each. Hardness: 3B.