| 摘要 |
A wrench combination includes a first wrench defining a circular space and a toothed face forming at a wall of the circular space. A second wrench is rotationally put in the circular space. The second wrench defines a bore and two apertures communicated with the bore. A least one claw is movably put in the apertures. The claw includes a toothed face for engagement with the toothed face of the first wrench. A switch is put in the bore for contact with the claw.
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