widely used. With a spring capacity of 300 kg, it fits almost any punching bag, hanging chair, cocoon, egg chair, wicker basket Springs help relieve impact pressure for a more comfortable and softer feel, extending the life of the hammock in addition to 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. Great show. You can use it with confidence Easy to assemble. Porch swivel springs with hooks at both ends make it easy to attach to your hammock without tools or complex manipulations Rugged steel construction, galvanized and clear coated for longer life Springs help relieve pressure from shocks, providing a more comfortable feel and extending the life of the hammock Rated spring capacity in excess of 300kg reduces noise, stress and vibration Suitable for garden swings, hanging baskets and hangers Specification Material: Galvanized Iron Color: silver Length: 108mm (approx.) Wire diameter: about 8mm Weight: 200g/unit Remember to check the condition of the hammock extension springs before use Package Contents: 2 x Hammock Springs