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These wrenches get various models together. You can deal with all kinds of screws with only one wrench. Carry easily, use conveniently. This series consist of two wrenches, the straight-line wrench and the wrench with slight curvature for facilitate catch. They are made of stainless steel.
zhejiang university
computer science and technology
hangzhou, China
zheng liu shouqian sun
zhejiang university
hangzhou, China
