【Heavy Load】Sturdy steel construction. The suspension spring is strong and can support a weight of up to 551 lbs. Count on these high-quality swing hangers to safely support children and adults alike. 【Optimal Shock Absorption】The hammock spring absorbs shock from your hammock swing to help relieve shock or vibration which provides comfortable use and increases the life of the hammock. 【Simple assembly】With hooks on both ends, the swing spring is easily connected to your hammock chair without using tools or complicated operations. The innovative design makes our hooks more flexible and can be used more widely. 【Corrosion resistance and long service life】Made of high quality stainless steel, strong and durable, no rust, resistance to corrosion. corrosion, high hardness. Zinc plating on hardened steel improves the weather resistance and life of the hook. 【Versatile Hanging Hook】The hook spring is designed for hanging hammocks, swings veranda, swivel chairs, punching bags or other heavy