... pencil leads (2) Hardness of pencil leads: HB, B,2B, 3B,4B,H, 2H, 3H, 4H and so ... 7) Normal Packaging of pencil leads: 12pcs leads/plastic tube, 12 tube/ box,100 box/carton (1200 pcs tube.) (8 ... information please feel free to contact us. 12 pcs leads each tube: 12 packs each box: 864 packs each carton ... : 2mm pencil leads HB, B,2B, 3B,4B,H ...