Having reached the preset twisting moment value, these tools “detach” in a precise place, normally corresponding to a junction placed near to the tool tip. In most cases, they perform a movement of approximately 20°.

If the handle is placed back to its original position (straight), the tool resets automatically and is ready to be used again.

This type of tools is also affected by its length: if the position of the hand is modified, the twisting moment applied also varies.

If you continue to exert a force after the tool has moved by 20°, the preset twisting moment is exceeded, but since the movement angle of the tool is greater, this event is less likely.

Exceeding the preset twisting moment is unlikely!