Stainless Steel  AISI  316 Stainless Steel.  HIgh Quality product made in Italy.
Compared to other less noble stainless steels, AISI 316 steel is used in aggressive environments, where there are many corrosive factors that are prolonged over time, for example marine areas, saline environments, areas with the presence of chemical substances.
It is therefore a perfect product for use in the nautical world!