... :2.0mm; 2) Hardness:HB; 3) Length:185mm; 4) Certification:EN71-3,ASTM F963-08,ST2002-3 This kind of product ... have any question, please contact us now. Welcome OEM order!(EN71-3,ASTM F963-08,ST2002-3)2.1 Pencil Lead ... (EN71-3,ASTM F963-08,ST2002-3)2.1 Pencil Lead (EN71-3,ASTM F963-08,ST2002 ... -3)2.1 Pencil Lead (EN71-3,ASTM F963-08,ST2002 ...