| 摘要 |
A reversible socket wrench including a handle having a box end, an adapter for mounting a socket for turning a workpiece, an adapter holder mounted within the box end and covered with a top cover plate to hold the adapter by roller bearings, a locating spring wire fastened to the adapter holder to hold it in position, and a slide moved in an arched slot on the top cover plate to shift the adapter holder between the forward operating position for allowing the adapter holder to be turned by the handle clockwise, and the backward operating position for allowing the adapter holder to be turned by the handle counter-clockwise.
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