| 摘要 |
A bendable spanner comprises a driving head having a driving portion at a front end thereof for engaging with a screw means; a length of the driving head being L3; a pivotal unit; the driving head being pivotally installed to the pivotal unit; a length of the pivotal unit being L2; and a holding portion; one end of the holding portion being pivotally installed to the pivotal unit; a length of the holding portion being L1. The length of L1 is greater than or equal to 1.5 times of the L2, and the length of L1 is greater than or equal to 1.15 times of L3. Moreover in the present invention, another end of the holding portion is connected to a pivotal unit and then the pivotal unit is further connected to a driving head.
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