Sturdy And Complete: Made of Premium 304 Stainless Steel, Durable, High Strength, Corrosion Resistance, High Hardness, Rust Resistance, Waterproof. More Sturdy And Safer. Wide Scope of Application: Our Hanging Chair Springs Are Applicable for Heilwiy Hammock, Punching Bag Stand, Swing, Yoga towel, ChildrenS Hanging Chair, Swing, Swiss Chair , Hanging Seat, Love Swing, Sling Trainer, Etc. 360 Rotation Design: The Stainless Steel Swirl Allows 360 Free Rotation And Thus Quickly Turns Your Suspension (Rope, Chain, Webbing, Etc. ) And Protects It from Wear. Scope of Delivery: 1 Carabiner with Heilwiy Spring (15 Cm Long), 2 Climbing Loops (8 Cm Long) And 1 Rotating Hook 360 (9 Cm Long). All Parts Are Made of Stainless Steel And Provide A More Stable, Smoother And Safer Suspension. Easy to Assemble: The Two Large Carabiners Are Simply Hooked Into The Eyelets of The Spring, The Carabiner Can with Heilwiystand A Load Maximum of 250 Kg. with Heilwiy The Steel Spring, You Can Easily And Safely Hang Hammocks, Hanging Chairs. The Unique Integrated Design Can Be Installed In Minutes.