![Stainless steel swivel with perforated head, used together with shackles and handles to connect divergents and chains.](https://www.mediterraneareti.it/wp-content/uploads/GIRELLA-INOX-TESTA-FORATA.jpg)
Stainless steel perforated-head swivel
Stainless steel perforated-head swivel used together with shackles and hooks to connect trawl doors and chains.
This stainless steel swivel is also used as a normal swivel on the stern rollers, useful for unloading the twisting moments accumulated on ropes and chains under tension, on static and moving loads.