About 400 million nano-diamond particles are blended in each leads, which make them smoother, stronger and darker
- Leads per tube40 Leads
- Size / Weight7.7 cm x 2.0 cm / 0.7 g
- Nib Size0.5mm
UNI NANO DIA LEAD (0.5) - 3B
SKU: UL-202ND/3B
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