- Approximately 400 million Nano-diamond particles are blended into each core.
- The lubricating effect gives a smooth touch to the graphite, giving you strength with a soft feel.
- Strong, dark and super smooth.
- Reduces kinetic friction between the paper and lead to allow vivid, clear lines.
- The black graphite has a precisely structure which produce a darker and smoother writing.
Brand Uniball Colour Transparent Net Quantity 2 count Item Dimensions LxWxH 10 x 10 x 70 Millimeters
