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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
hangzhou, China
zheng liu shouqian sun
zhejiang university
hangzhou, China
