| 摘要 |
A hand tool includes a function end such as an box end at one end of the handle and a vibration device is connected to the other end of the handle. The vibration device includes a tubular hollow body for receiving a power supply unit, a driving unit and a control switch therein. An eccentric member extends from an end of the driving unit such that when the driving unit is activated, the rotation of the eccentric member shakes the whole handle of the tool. A contact head is connected to an end of the body and protrudes from an outer periphery of the handle so that the rusted nut can be shaken by the contact head to loose the rust on the nut.
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