Top-quality pencils for writing and drawing that works well on matte drafting film. Special Formula with a high degree of carbon in the diocese that provides a crisp blackness. Unbelievably break-resistant lead that gives a distinctive blackness and glides smoothly for comfortable writing. Wood from certified farms. PEFC. 4 different hardnesses: 8B, 6B, 4B 2 x 2 x 2B. Delivered in Staedtlers classic tin box.