Staedtler Mars Lumograph Pencil Premium-quality pencil for writing, drawing and sketching on paper and matt drafting film. The wide range of degrees makes Lumograph the ideal tool for artists and graphic designers. Especially break-resistant thanks to super-bonded lead. Lines reproduce well. Easy to erase. Easy to sharpen with any quality sharpener. 16 degrees Available: 8B, 7B, 6B, 5B, 4B, 3B, 2B, B, HB, F, H, 2H, 3H, 4H, 5H, 6H Lead diameter 2mm.