Alvin 2mm Drafting Lead Value Package 144 for Drawing & Artist
Alvin 2mm drafting lead 144 value packages saves money for schools and studios refilling standard lead holders and clutch pencils used for drawing. The lead hardness is determined by the clay to graphite ratio; harder drafting lead has a higher percentage of clay than softer sketching leads. The Alvin lead hardness ranges from 2B through 6H, medium soft to hard.
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