... :black 4.certificate:EN71-3 and ASTM-F963-08 1,Prouduct name:High-quality pencil leads;2,Hardness of pencil leads: 4H, 3H, 2H,H ... ,4.0mm,7.2mm;4,Type of pencil leads: High-quality graphite pencil lead ;5,Normal packaging of pencil lead:L*W*H:36.5CM ... ;80000GROSS/20GP(Dia of pencil leads:2.2mm);6,certification of pencil leads:Tested by EN71-3, ASTM-F963-08 and R.S.c.H ...