- Mechanical pencil lead for use on paper and drawing card
- High break resistance due to flexible lead
- Smooth-gliding lead, jet black lines
- Unique ecological manufacturing process without PVC or softening agents
- More than 90% natural raw materials
- Suitable for use with all mechanical pencils
- Simple “12-a-go” refilling for many STAEDTLER mechanical pencils
- ISO colour coding
- 12 leads per tube