Wide range of uses: Our spring hooks are suitable for almost all types of hanging chairs, hammocks, egg chairs, wicker boxes, complete sets of sandbags, yoga equipment, flower baskets, etc. And any other favorite sports. High load capacity: Made of high-quality spring steel, the sturdy steel structure ensures that the maximum load of each spring is 500 kg. High hardness, non-toxic and no pollution to the environment. Please feel free to use it. Durable: The hammock springs are made of hardened spring steel with zinc plating, which is resistant to corrosion and rust, improving the weather resistance and service life of the porch swing springs. Cushioning function: The springs absorb the shock of the hammock movement, helping to relieve the pressure caused by the impact, providing a more comfortable, softer feeling and reducing noise. Extend the life of your hammock. Easy to use: Length: 108mm, Width: 40mm, Diameter: 7mm, with hooks on both ends, easily connect what you need to hang, no tools or complicated operations required. Note: The data are all measured manually, please allow 1-3cm error, due to differences in light and display, there may be some color differences, please refer to the actual item received. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.