Propelling pencil （0.7mm）

7222
o 材质: 笔杆为合金；内部机制为金属或塑料。
o 用途: 用于日常书写、绘图，需配合0.7mm铅笔芯使用。
o Material: Pen barrel is alloy; internal mechanism is metal or plastic.
o Use: Used for daily writing and drawing, requires 0.7mm pencil leads.