Staedtler Japan Mars Sharp Core 0.5 25005-2B 4007817213520 (10 sets)

Core diameter: 0.5mm 90 x 10 x 6mm Sharp core made from carefully selected natural materials and excluding PVC. It is hard to break and allows you to draw clear, dark lines. ◆Hardness: 2B ◆Core length: 60mm, 12 pieces