Size and material: 7mm/0.28in, length: 108mm/4.17in, sturdy, heavy duty, can bear 500kg(1102.3lb), made of high quality heavy duty steel structure, all of which have good corrosion resistance and toughness, more durable, can be used with confidence. Easy to assemble: This swing hanger has hooks on both ends, and the swing spring can be easily connected to your hammock chair without using any tools or complicated operations, perfect for indoor and outdoor relaxation, you can hang your hammock, swing, yoga strap after installation. Thick and sturdy: Our hammock accessories are the parts you need to build a comfortable hanging chair for indoor and outdoor use, all parts are made of the highest quality stainless steel, you can go reading, being alone or even sleeping, provide a more comfortable environment, enjoy your time free. Versatile: Hammock hanging strap set, this swing hook is perfect for your indoor and outdoor relaxation, you can install it and then hang your hammock, swing,