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Transformers / Wrench


A traditional wrench only has two different models, andit is troublesome to carry a heap of wrenches while working. Besides, traditional wrenches are not so easy to use. A transformer can be transformed into five different models.In addition, “T” shape is easy to operate. When folded up, “T” shape is easy to storage and carry.


Dalian Nationalities University

Dalian Minzu University
Dalian, China

XueFei Liu,
Dalian Nationalities University

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