| 摘要 |
A wrench having a head (1) with an angularly adjustable handle (2) that can be locked in a plurality positions by a sliding rod (4) activated by a trigger (3). The rod (4) is engagable in holes (5 and 8) in the head (1) to lock the handle in the desired position. A spring (7) biases the rod (4) into a locking position.
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