Flange of connection to clip (in steel with galvanic protection). They have the large advantage necessiatre of ulterior workings on the pin propeller from the side flange as the connection flange/pin propeller does not only happen through the serration of Bolts. Especially in the maintenance or the substitution of the entire pin is made which propeller, this type of flange allows to velocizzare and to simplify the participations, being normally available on the market (and of our production) pins already worked on the side propeller and/or the side mancione.