Elastic double tether has a 3' leg that extends from 18" to 36", plus a 6' leg that extends from 41" to 72".This tether meets all World Sailing Offshore Special Regulations (OSR) Section 5.02 requirements for strength, design and features for sailboat racing.It incorporates a lightweight aluminum double-action safety hooks, built-in stress indicator and welded O-ring for improved security offshore, whether racing or cruising.With a 3' leg and a 6' leg, you have two options for safely tethering yourself. Short leg provides the highest security, and 6' leg allows you to stand or move around while safely clipped on.Key FeaturesIncludes bright overload indicator flags embedded in the stitching that are exposed when the tether is stressed to the point of needing replacement (about 900lb. of force triggers the flag).The boat-end aluminum safety hooks have easy-to-use double-action gates that automatically lock closed, so they wont accidentally release from attachment pointsDouble-action gates are extremely easy to open in one ergonomic movement without pinching your handsInternal elastic located inside the webbing cover retracts when not under load, staying out of the wayNon-magnetic, stainless steel snap shackle at chest closes securely and easily releases from the harness when it is under load