| 摘要 |
Disclosed is a variable spanner. According to the present invention, the variable spanner of the present invention includes: a head to be used when tightening or releasing a bolt or a nut; and a handle combined with the head. The head comprises multiple blocks varied according to the size of the bolt or the nut. Accordingly, there is no need to have each spanner for meeting the standards of bolts or nuts like conventional spanners, and, there is no need to have different standards of spanners to meet the standards of bolts or nuts like when using conventional spanners and no need to replace the equipment even if the spanner is used for different standards of bolts or nuts. The present invention can be used for different standards of various bolts or nuts with only a simple motion to press the button, and can improve work efficiency. |
