which type of joint

[asblo]

Hello everyone
Does anyone know this type of joint/attack?
Thank you.

 

[mamobono]

Hello to me seems like a joint with parastraps like this
18 black rubber fender 75/80 sh a

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ciao

 

[asblo]

Bye. Thank you. Would it look like him, do you know his joint? here are the data of the rubber of the parastraps, but still do not find anything on the type of connection, whether it is a serial product or not

 

[mamobono]

Hello, unfortunately they're old school memories and I can't give you any more info.
when I needed zero-game joints I used such a guy

giunti flender bipex-s​

ciao

 

[Mario SJPD]

But they don't look like these?giunti a perni