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PinterestUni Nano-Dia is the very latest in pencil lead technology. 400 million 'nano-diamonds' per lead improve smoothness and strength and high viscosity oils improve smoothness and darkness.
0.9mm lead, available in a range of grades.
Nano Dia will of course fit any standard 0.9mm mechanical pencil.
36 leads per tube.
Additional Information
| Product Code: | UN44845 |
|---|---|
| Ink Type: | Graphite |
| Refill Type: | Lead |
| Tip Size: | 0.9mm |
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