| 摘要 |
A hand tool includes a shank. A first working head is formed on a first end of the shank and has a fixed jaw extending therefrom, a movable jaw partially mounted therein, and a worm gear rotatably mounted therein. A second working head is formed on a second end of the shank. A ratchet mechanism is partially mounted in the second working head and has a ratchet wheel ratchetably mounted in the second working head, a first driving portion and a second driving portion respectively longitudinally disposed on two opposite sides of the ratchet wheel.
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