Size & Material: 7 mm/0.28 ", Length: 108 mm/4.17 ", heavy duty, strong, can hold up to 500 kg (1102.3lb), made by high quality sturdy steel construction, all these materials have good corrosion resistance and toughness, more durable, could be used with confidence. The product size is measured manually, and there will be a 2mm error due to factors such as different measurement tools and measurement methods. Simple Assembly: This swing hangers hooks with hooks on both ends, the swing spring is easily connected to your hammock chair without using any tools or complicated operation, will be great for indoor outdoor relaxation, could install it then hang the hammock, swing chair, yoga strap. Thick & Sturdy: Our hammock accessories are the parts you need to create an indoor and outdoor comfortable hanging chair, all parts are made of the best quality stainless steel, you can go to read, be alone or even sleep, provide a more comfortable, to enjoy your casual time. Multipurpose: Hammock hanging strap set, this swing hangers hooks will be great for your indoor outdoor relaxation, can install it then hang the hammock, swing chair, carabiners, yoga strap to enjoy your time, helps relieve stress, softer feel. Widely Application: Can bolt the hanger into the sturdy wooden beams or boards, Suitable for almost all porch garden patio and yard swing, hammock, hanging chair, punch bag, cocoon, rotten egg chair wicker basket hanging chairs including swings, hammocks, hanging chairs, punching bag, etc.