Graphite pencil of highest quality. Particularly suitable for professional artists designers architects graphic designers etc. Voluminous graphite tip offers a wide variety of line widths. Various grades of hardness provide many different tones of grey. High-quality even graphite laydown. Environmentally friendly water-based varnish. Lead is extra break-resistant. Complete pencil diameter is 9.5mm; lead diameter is 5.25mm. Degree: 6B.