... HB, B,2B, 3B,4B,H, 2H, 3H, 4H and so on. (3) Dia of mechanical pencil leads: 2.0mm ... pencil leads: Black, Red, Yellow, Blue,Green, Purple, Pink, White color ( As below shown.) (6) Our mechanical pencil leads: Were ... Tested by EN-71 standard. (10) Customer's logo and color were accepted. Further information please feel free to contact us ... tube / packs each carton: mechanical pencil lead, 2mm BLACK color