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 ... ,3B,4B,5B,6B,7B,8B;3,Dia of pencil leadls:2.0mm,2.1mm,2.2mm,2.3mm ...