... EN71-3,ASTM-F963-081,Prouduct name:High-quality pencil leads;2,Hardness of pencil leads: 4H, 3H, 2H,H,HB,B,2B,3B ... .0mm,7.2mm;4,Type of pencil leads: High-quality graphite pencil lead ;5,Normal packaging of pencil lead: L*W*H:36.5CM ... /GROSS; 800CTS/20GP;80000GROSS/20GP(Dia of pencil leads:2.2mm);6,certification of pencil leads:Tested by EN71-3,ASTM-F963-08 Art ...