| 摘要 |
An open-ended ratchet wrench includes a handle provided with an open driving head, an open ratchet wheel mounted in the driving head of the handle and having an outer wall provided with a plurality of oneway ratchet teeth, and a pawl member movably mounted in the driving head of the handle and having a first side provided with a plurality of oneway locking teeth detachably meshing with the ratchet teeth of the ratchet wheel. Thus, the ratchet wheel has a side provided with an opening to make the ratchet wheel flexible so that the ratchet wheel is mounted on and detached from the workpiece easily and quickly, thereby facilitating a user operating the ratchet wrench to rotate the workpiece.
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