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dual allen wrench / wrench

dual allen wrench

Ordinary Allen wrench and hex wrench have large quantity,it's easy to lost, the use is not convenient ,"Dual allen wrench",the hex wrench is designed into hollow, Can be used as hex and hex wrench ,Hollow tubular wrench can be combined with different specifications of spanner,many wrenches are combined into a wrench, Through the the button and rotate to select the required models.

University

Ceramic Institutes of Jingdezhen

Ceramic Institutes of Jingdezhen
jingdezhen, China

Design

Ceramic Institutes of Jingdezhen

Ceramic Institutes of Jingdezhen
jingdezhen, China