| 摘要 |
A ratchet wrench for turning bolts and nuts disposed in narrow or inaccessible places. The ratchet wrench is rotatably attached to an end of an operation rod. The ratchet wrench comprises a weight attached to the operation rod, the weight being slidable lengthwise along the operation rod, the operation rod being provided at a portion thereof in front of the weight with a front weight receiving portion against which the weight is struck. Alternatively, the operation rod may be provided at a portion thereof in the rear of the weight with a rear weight receiving portion against which the weight is struck. Also, the operation rod may be provided with both the front weight receiving portion and the rear weight receiving portion.
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