BL602 2.0mm鉛筆芯
2.0mm活動鉛筆和繪圖筆的替換鉛芯
鉛芯長度事宜，堅固耐用
BL602 2.0mm pencil lead
size 2.0mm x 120mm,it's fit for 2.0mm mechanical pencil and drawing pencil.
Durable leads can prolong the witing time and improve the writing performance.
Fit people:students,engineers and so on
