The beautiful form of the carabiner is made of heavy stainless steel. It is very durable because it is originally used to secure the rope. Wichard France is a manufacturer of marine products since 1911. A real yacht tool that continues to be supported by professional yachtmans. Size: 3.0 x 1.3 inches (7.5 x 3.3 cm); Material: Stainless steel; Country of Origin: France Package: Zippered polypropylene bag; Note: 1 double ring included.