Sketch Pencil Charcoal 2B 6B 12B 14B
▸ Model series: 7401 professional sketch pencil
▸ Material composition: charcoal refill + matte coating process
▸ Specification level: 2B/6B/12B/14B hardness optional
▸ Nib characteristics: easy-to-cut structure + carbon color development enhancement
▸ Basic packaging: single independent package
▸ Material composition: charcoal refill + matte coating process
▸ Specification level: 2B/6B/12B/14B hardness optional
▸ Nib characteristics: easy-to-cut structure + carbon color development enhancement
▸ Basic packaging: single independent package
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