- Staedtler Mars Lumograph pencils are high-end pencils, specialized for sketching, portrait drawing, and drawing. - The lead is matte, darker and smoother than regular wooden pencils - The lead breaks less when sharpened - Staedtler Mars Lumograph pencils are designed with a blue body
 - The product has many shades from dark to light to suit all needs:
 + H degree: The higher the H degree, the lighter the lead, the harder the lead.
 + Grade B: The higher the grade B, the darker the lead and the softer the lead.