If our other tool can no longer function because the slot is damaged then this is the solution. This inner key is clamped in the inside of the nut, so that it can be easily removed without any damage.
In terms of use this tool can also be seen as the better option, especially when you are using it often.
Useful information from Paruzzi magazine and from our YouTube channel :
Look for more technical articles on the page Paruzzi Magazine