High tensile AISI 316 stainless steel connector with screw sleeve.The particular D shape prevents the rotation of the hook and allows distribution of most of the load along the stronger axis.Equipped with screw gate which makes it perfect for all professional applications. 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 but also in food and chemicals industry. High quality product completely developed and produced in Italy.Tested piece by piece.