• High quality drawing pencil • Special lead formulation containing a high proportion of carbon for matt, jet black results • High break-resistance through special lead formulation and super-bonded lead • Available in 6 finely graded consistent degrees: 8B, 7B, 6B, 4B, 2B, HB • Lead diameters: 8B: approx. 4.5 mm, 7B/6B/4B/2B/HB: approx. 3.6 mm • Lines reproduce well • Wood from PEFC-certified, sustainably managed forests • Sharpener recommendation: Tub sharpener 511 001 or Mars double-hole sharpener 510 25 for ideal sharpening results