Uni Nano-Dia 0.5mm Lead Refills

$6.00
Style
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Uni Nano-Dia is the very latest in pencil lead technology. Each piece of lead contains 400 million 'nano-diamonds' to improve smoothness and strength. High viscosity oils improve smoothness and darkness.

Nano Dia will fit any standard 0.5mm mechanical pencil.

Available in HB, B, and 2B grades.

HB

This is the closest lead grade to the standard #2 pencil. HB lead is ideal for writing.

B

B lead is the closest to a #1 pencil. B lead is darker than HB.

2B

This will create a darker mark than B lead, but 2B is still light enough that you won't have to worry about smudging.

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