| 摘要 |
A tool combination includes a handle member having a chamber for receiving a tool stem which has a non-circular engaging hole, a driving shank selectively engaged into the passage of the tool stem and engaged with the non-circular engaging hole of the tool stem for being rotated by the tool stem, the driving shank includes a non-circular engaging hole for engaging with a tool element, and a wrench driving tool includes a stud selectively attached to the tool stem for being rotated by the tool stem, and a retaining device may detachably retain either the driving shank or the wrench driving tool to the tool stem and for changeably operating as a screw driver and a driving wrench.
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