ROBUST AND COMPLETE: Crafted from premium 304 stainless steel, this set is durable, high-strength, corrosion-resistant, hard, rust-proof, and waterproof, ensuring greater robustness and safety. WIDE APPLICATION: Our hanging chair springs are suitable for hammocks, punching bag stands, swings, yoga towels, children's hanging chairs, swings, Swiss chairs, hanging seats, love swings, sling trainers, and more. 360 ROTATION DESIGN: The stainless steel swivel allows for 360-degree free rotation, preventing your suspension (rope, chain, webbing, etc.) from twisting and protecting it from wear and tear. PACKAGE INCLUDES: 1 spring carabiner (15 cm long), 2 climbing slings (8 cm long), and 1 360 rotating hook (9 cm long). All parts are made of stainless steel, providing a more stable, smoother, and safer suspension. EASY TO ASSEMBLE: The two large carabiners easily hook into the loops of the spring. The carabiner can support a maximum load of 250 kg. With the steel spring, you can hang hammocks and hanging chairs easily and securely. The unique integrated design can be installed in minutes.