Uni Mechanical Pencil Leads, 0.7mm, HB, Pack of 12

Keep your favorite mechanical pencil writing with these Smudge Proof, Nano Diamond Infused lead refills.

- Extra durable diamond-infused lead is stronger than standard lead, delivering strikingly dark marks
- Nano diamond lead is useful for school work, art projects and note-taking
- Smudge proof technology keeps your artwork and writing clean, without any messy smears