... leads High quality pencil lead HB, B,2B, 3B,4B,H, 2H, 3H, 4H etc. Logo are accept. Passed EN-71 ... (2) Hardness of pencil leads: HB, B,2B, 3B,4B,H, 2H, 3H, 4H and so on. (3) Dia of mechanical ... pencil leads: 2.0mm and so on. (4) Type of mechanical pencil lead: Hi-polymer pencil leads, Clay pencil ... each carton: 2mm pencil leads HB, B,2B, 3B,4B,H, 2H, 3H, 4H