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Wrench / Wrench

Wrench
Wrench

The wrench can be matched with six sides nuts with diameters of 6mm, 8mm, 10mm and 12mm, and contains most of the six sides nut on the market.Through pushing nuts to adapt to different size of nuts.You will do not have to carry all the wrench of different sizes.

University

Beijing Jiaotong University

Beijing Jiaotong University
BeiJing, China

Peng Shi,
Beijing Jiaotong University

ChangLong li ,
Beijing Jiaotong University

Huanzhi Lou,
Beijing Jiaotong University

Han Geng,
Beijing Jiaotong University