STAEDTLER 251 Marsr 1.3mm micro carbon mechanical pencil leads

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  • Mechanical pencil lead for use on paper and drawing card
  • Smooth-gliding lead
  • Jet black lines
  • Highly flexible - extremely break-resistant
  • Easy to erase
  • ISO colour coding
  • Suitable for use with all mechanical pencils
  • Easy "12-a-go" refilling for Mars micro 775, graphite 760 and graphite 779 05/07
  • Up to 7 degrees: 2B, B, HB, F, H, 2H, 3H
  • 5 line widths: 0.3 mm, 0.5 mm, 0.7 mm, 0.9 mm and 1.3 mm
  • 12 leads per tube (1.3 mm: 6 leads)
More line widths and degrees

The neck of the lead tube is simply inserted into the end of the mechanical pencil - all twelve leads can be filled into graphite 760, Mars micro 775 or graphite 779 in one go!


  • No touching of lead
  • No dropping of lead
  • No breaking of lead
ISO colour coding

The identical colour coding of mechanical pencils, mechanical pencil leads and technical pens facilitates recognition of the different line widths.

efficient for ecology - STAEDTLER® acts ecologically and efficiently at the same time!

Efficient and environmentally safe - that's the idea!

  • More than 90% natural raw materials
  • Unique ecological manufacturing process without PVC or softening agents
  • High break resistance due to flexible lead
  • Simple "12-a-go" refilling for Mars micro, graphite 779 and graphite 760

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