Complex wrench
The present invention discloses a complex wrench composed of a strip-shaped shank which includes a front section, a middle section and a rear section along its length direction in order thereof, the front section and the rear section connecting a first driving head and a second driving head respectively, the middle section being a twisted section which makes the axis lines of the first driving head and the second driving head on different planes, and the middle section having at least one sunken area where is covered with a plurality of embossed patterns.
G B B G B B B B B
G09F B25B B25B G09F B25B B25B B25G B25B B25B
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Chiou-Mai Yueh-Li
Chang Wang