1.2.0 mm graphite pencil lead 2.pencil lead hardness:B 3. ... pencil lead color:black 4.certificate:EN71-3 and ASTM-F963-08 1 ... ,Prouduct name:High-quality pencil leads;2,Hardness of pencil leads: 4H ... 8B;3,Dia of pencil leadls:2.0mm,2.1mm,2.2mm,2.3mm,2.4mm,3.0vmm,4.0mm, ... /20GP;80000GROSS/20GP(Dia of pencil leads:2.2mm);6,certification of pencil leads:Tested ...