HB Pencil Lead 2mm 1) Dia:2.0mm; 2) Hardness:HB; 3) Length:185mm; 4) Certification:EN71-3,ASTM F963 ... GraphiteGrade Best QualityColor BlackHardness HBShape RoundDiameter 2.-mmLength 185 mmWeight 1.7301 g/pcNote: If you have any question, ... 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 ...