筆尺寸: 1.0 cm x 1.0 cm x 14.0 cm
內附筆芯: 鋼珠筆和原子筆兩個也可以
鋼珠筆: 德國品牌 (施耐德) Topall 850, 0.5 黑色鋼珠筆芯
原子筆: 瑞士品牌（Premec），油性，0.7黑色原子筆芯
重量: 筆- 65g
是柔軟的金屬，表面剛切開時為紅橙色帶金屬光澤、延展性好，黃銅是耐用的金屬，可以多次回收而無損其機械性能。
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https://youtu.be/FKQ4wcPQrjw
https://youtu.be/_6FBdMg7dBw
https://youtu.be/5S5B1e77ux8
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產地/製造方式
China