Size and material: 8mm, length: 113mm, heavy duty, made of high quality sturdy steel, all these materials have good corrosion resistance and toughness, more durable, can be used with confidence. Simple assembly: these hooks of swing with hooks on both ends, the swing spring is easily connected to your hammock chair without using any tools or complicated operation, they will be perfect for indoor and outdoor relaxation, you can install it then hang the hammock, swing , the yoga strap. Thick and sturdy: Our hammock accessories are the parts you need to create a comfortable indoor and outdoor hanging chair, all parts are made of best quality stainless steel, you can go reading, be alone or even sleep, provide greater comfort to enjoy your casual time. Multifunction: hammock hanging strap set, these hooks swing will be perfect for your indoor and outdoor relaxation, you can set it up then hang the hammock, swing, carabiners, yoga strap to enjoy your time, helps relieve stress, softer feeling. Wide application: can fix the hanger in sturdy wooden beams or boards, suitable for almost all porches, gardens, patios, swings, hammocks, hanging chairs, punching bags, cocoons, wicker chairs, hanging baskets etc. including swings, hammocks, hanging chairs, punching bag, etc.