2B Pencil Eraser Set S320

▸ Model specification: S320 set
▸ Product composition: 2B pencil × 10 | 1 special eraser ×for the exam
▸ Material characteristics: basswood pen holder | Polymer synthetic eraser
▸ Technical standard: GB/T26704-2011 pencil standard | GB/T26713-2011 Eraser Standard
▸ Core performance: graphite concentration 2B | Debris-free wiping