| 摘要 |
A wrench tool with a retaining device contains a body including a receiving cavity formed on at least one end thereof; a ratchet seat received in the receiving cavity of the body and including a plurality of teeth arranged around an outer surface thereof and a polygonal fitting segment fixed around an inner surface thereof, the fitting segment including a plurality of odd interior angles and a number of even interior angles, and between two adjacent interior angles of the fitting segment being provided with an adjoining wall, and the adjoining wall including two contacting faces formed on two sides thereof respectively; a ratchet device defined between the body and the ratchet seat and engaging with the teeth of the ratchet seat; a retaining device including a flexible engaging assembly disposed on the adjoining wall and extending over the two contacting faces.
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