Widely used. With a spring capacity of 300 kg, it fits almost all swing bags, hanging chairs, cocoons, egg chairs, rattan baskets. Springs help relieve impact pressure for a more comfortable and softer feel, extending the hammock's lifespan beyond the mounting surface. High-quality materials. The spring is made of galvanized iron, which has higher corrosion resistance, is not easy to rust, and is more durable. Good show. You can use it with confidence. Easy to assemble. Porch springs with hooks at both ends make it easy to attach to your hammock without tools or complicated manipulations. Sturdy steel construction, galvanized and clear coated for longer life. Springs help relieve impact pressure, providing a more comfortable feel and extending the hammock's lifespan. Rated spring capacity of over 300 kg reduces noise, stress, and vibration. Suitable for garden swings, hanging baskets, and suspensions. Specification Material: Galvanized iron Color: Silver Length: 108mm (approx.) Wire thickness: approx. 8mm Weight: 200g/unit Please remember to check the condition of the hammock extension springs before use. Package Contents: 2 x Hammock Springs