Sketch Pencil Charcoal 2B 6B 12B 14B

▸ Model series: 7401 Soft and hard 2B | 6B | 12B | 14B
▸ Refill Material: Matte Charcoal Pen and Carbon Pen Composite Formula
▸ Hardness Identification: HB-14B Multi-gradient Optional
▸ Process Characteristics: Professional-grade easy-sharpening pen barrel structure
▸ Packing specifications: single independent pack