- DURABLE CONSTRUCTION: Crafted from high-strength iron with a galvanized surface treatment, this heavy-duty spring is designed to resist rust and withstand the test of time. - IMPRESSIVE LOAD CAPACITY: The hammock chair spring features a stable tension of 700lbs and can support a maximum weight of 1100lbs. Its spiral structure effectively balances stress points, enhancing the elasticity and performance of your hammock. - ENHANCED COMFORT: Each porch swing spring is tightly coiled to absorb impact, improving the smoothness of each swing and increasing your overall comfort during use. - VERSATILE USAGE: Ideal for a variety of applications, this spring is perfect for hammock chairs, egg chairs, porch swings, yoga, boxing bags, sling chairs, awnings, and fitness equipment. Whether indoors or outdoors, it seamlessly fits multiple settings. - SPECIFIC SCENARIOS: Use it to elevate your outdoor relaxation with a hammock chair, enhance your indoor swing experience, or achieve better stability for your fitness equipment. - RELIABLE PERFORMANCE: This spring is engineered for consistent performance, ensuring safety and comfort in every use.