BL602 2.0mm铅笔芯
2.0mm活动铅笔和绘图笔的替换铅芯
铅芯长度事宜，坚固耐用
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
