Heavy load Heavy steel frame. The suspension spring is strong and durable and can support up to 551 pounds. Rely on these high quality swing hooks to safely support children and adults. [Better shock absorption] The hammock spring can absorb the vibrations generated when your hammock is in motion and help dampen the vibration or vibration, thus providing a comfortable experience and extending the service life. hammock. [Simple assembly] With hooks at both ends, you can easily connect the rotary spring to your hammock chair without using tools and complicated operations. The innovative design makes our hooks more flexible and wider. [Corrosion resistance, long service life] It is made of high quality stainless steel, strong and durable, will not rust, resist corrosion and have high hardness. Zinc coating on hardened steel improves resistance to inclement weather and the lifespan of the hook. [Multifunctional Hook] The hook spring is designed for hanging hammocks, porch swings, swivel chairs, sandbags or other heavy objects. Creative hooks can be hung on your hammock or your swivel chair. Product description Hammock spring --- perfect for setting up a hammock or swivel chair Heavy steel structure The maximum load capacity is 250 kg. Designed for hanging sandbags, hammocks, swings, hanging chairs, etc. The anti-corrosion ability is quite strong All made of solid stainless steel, with good corrosion resistance and toughness. Efficient buffering The spring helps relieve pressure caused by vibration, provides a more comfortable feel and extends the life of the hammock. multiple use Very suitable for hammocks, swings, swivel chairs, sandbags, outdoor swings, aerial yoga, etc. Specification: Color: silver Material: stainless steel Quantity: 12 pieces Features: hammock accessories, durable and weatherproof