| 摘要 |
The device has a cylindrical main wrench body (1), with an actuation section at one end of the main body for engagement with an operating handle for producing a rotary motion. A recessed section (4) is in the other end of the main body for attaching to an ignition plug. A thin metal plate fixing part (5) and groove (9) are in the recessed section, whilst a guide section (6) of softer metal is formed on the floor of the recessed section. |
