US Sailing Offshore Tether Double - 6&';Features: Tether with 2 double action safety hooks and 1 stainless steel snap hook - Elastic webbing - 2m Automatic closing and opening mechanism The Proline generation has been designed to offer you the highest level of safety at sea. Double safety hook Wide opening: 26 mm V-Nose feature (patented): easy hooking and unhooking High-quality elastic webbing: Retro-reflective and visible at night Compact and light Exclusive feature: SmartLoop The product can adapt to suit all needs and users. SmartLoop lets you turn a single webbing tether into a double webbing tether Material: Anodized aluminum hook offering lightweight and mechanical and corrosion resistance Regulations: Compliance with ISO 12401:2009 and WORLD SAILING regulations (OSR) Overload indicator on all models Applications:Safety on board