Use these Permanent Marking Pens to record results in lab notebooks, fill in charts, draw graphs, mark recording paper, and produce diagrams.
- Permanent marking pens with 0.3 mm tip.
- Write on any smooth surface; ideal for plasticware, glassware, photos, slides, and more.
- Waterproof, nonfading ink dries instantly to prevent smearing and bleeding.
- Extra-fine, plastic writing tip stays sharp and precise.
- Pen’s unique, long leg lays flat against rulers and flexible curves for accurate alignment.
- Pens are perfectly balanced to comfortably fit in your hand.
- Instant writing, long storage time, and dry-out prevention are ensured by an airtight ring seal in the cap.
- Pen responds the moment it is touched to paper.