High tensile strenght AISI 316 stainless steel connector with screw gate.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.High quality product completely developed and produced in Italy.Tested piece by piece. The Keylock system definitively eliminates any sealing tooth both on the body and on the gate of the connector.There are therefore no points to snag rope or webbing being the carabiner devoid of sharp edges. 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.