This elastic tether features double arms and is designed to enhance the safety of sailboat racing. With its aluminum double-action safety hook, built-in stress indicator, and stainless steel connectors with express sleeve, it provides secure offshore protection for both racing and cruising. The boat-end aluminum safety hook has a double-action gate that automatically locks closed, ensuring it won't unintentionally detach from attachment points. It is certified for a single user and is expertly made in Italy with high-quality materials.