| 摘要 |
An adjustable wrench adjustable wrench includes a frame, having a handle, a fixed jaw and a track at one end of the handle. An adjusting worm pivoted to the frame for free rotation. An adjustable jaw, having one end received in the track and meshed with the adjusting worm for moving relative to the fixed jaw upon rotating the adjusting worm. Two spaces defined at the two sides of the adjustable jaw within the track. At least one packing device provided in each of the two spaces, having one end fastened to the adjustable jaw and the other end being against the frame.
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