Thanks to all for the welcome.
@BIG-TARGET
Works nice. The clip does not wobble.
@Leatherman123, Teofilo and J-sews
I´ve used regular pliers:
If you remove the small metal part, its possible to use a
spare clip as a wrench.
@Tsquare
You are right. First I´ve tried to bore the head of
the pivot. No chance. Very hard steel.
@J-sews
The plastic inserts came off easily.