- Mechanical pencil lead for use on paper and drawing card
- High break resistance due to flexible lead
- Smooth-gliding lead, jet black lines
- Manufacturing process without PVC - more than 90% based on natural raw materials
- Simple “12-a-go" refilling for many STAEDTLER mechanical pencils such as Mars micro 775 and graphite 779
- 12 leads per tube (6 leads at 1.3 mm line width)
- ISO colour coding
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