ART DESIGN: The essential ingredient for designers and artists is a high-purity graphite and natural viscosizer. Extremely fine ground graphite allows for crisp, crisp and smooth strokes. Lead Diameter: 2.8mm Pencil Diameter: 8.5mm Cross Section: Hexagonal Wood Shaft: Natural Cedar Wood Finish: Black Lacquer Matte Print: White Dipping: Gloss Black Dome: Gloss Black