Staedtler set of 6 Mars Lumograph black pencils

Staedtler mars lumograph black is a new dimension of black. A hexagonal pencil for drawing, sketching and drafting. The special formula allows you to draw an ultra-black matte line with a metallic sheen. Resistant to breakage thanks to the full-length bonded graphite. Matte black casing with silver print. Lacquered without heavy metals, non-toxic. Graphite diameter: 3.6mm (7B, 6B, 4B, 2B) and 4.5mm (8B).