WUZHOU Made of high quality 304 stainless steel, durable, high strength, corrosion resistant, high hardness, rust proof, waterproof. Stronger and safer. Wide range of application: The hanging chair spring is suitable for hammocks, sandbag racks, swings, yoga towels, children's hanging chairs, swings, Swiss chairs, hanging chairs, love swings, sling trainers, etc. 360 Degree Rotation Design: Stainless steel allows 360 degrees of free rotation to quickly turn your suspension (rope, chain, webbing, etc.) and protect it from wear and tear. All parts are made of stainless steel to provide more stable, smoother and safer suspension. EASY ASSEMBLY: Two large carabiner hooks simply hook into the eyelets of the spring, the carabiner can withstand loads of up to 250 kg. With steel springs, you can easily and safely hang your hammock, hanging chair. The unique all-in-one design can be installed in minutes. Quantity: 1 set (including 1 spring + 1 360-degree rotating ring + 2 spring buckles) Size: marked as shown Color: stainless steel