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Universal pen shell / Lifestyle products

Universal pen shell

Pen is a common tool in our life ,but because the refills are often different from each other ,it’s difficult to match and we have to throw away the shells. This type of pen shell is an adjusting device which is through a detent lock ratchetting latch that it can be compatible with different kind of refills to save resources.


Xihua University

Xihua University
Chengdu, China


Xihua University

Xihua University
Chengdu, China

Wentao Yue Yang Wu Yan Wang Liuyu Wang