... , 0.9mm x 60mm length 3) no scrape in writing 4) Certification: EN-71 standard. (1) Product name: Hight quality mechanical pencil lead, pencil leads, 0.5mm pencil ... leads, color pencil lead. (2) Hardness of pencil leads: HB, B,2B, 3B,H, 2H and so on. (3) Dia of pencil lead refill: 0.5, 0 ...