Product details:

The formula is secret - the pencil is world-famous It was with pencils that STAEDTLER's success story began. To this very day, first-class materials and manufacturing processes guarantee outstanding and unbeatable product quality. STAEDTLER Mars Lumograph is available in up to 16 degrees - for writing, drawing and sketching on paper and matt drafting film. The super-bonded lead wears evenly and is easy to erase and sharpen.