Excellent material: swivel hooks heavy duty have the properties of fine workmanship, high quality, rust protection and weight limit - 550 kg, strong and durable and not easy to break, as it is made of high-quality 304 stainless steel Prevents the rope from turning: rotating carabiner hooks. No more twisted ropes or chains due to a smooth and friction-free, smooth 360 degree rotation that prevents the rope from turning, kinking and creasing Versatile: you can use stainless steel swivels to secure hammocks, air silk, children's swings, children's chair chairs indoors and outdoors, round swings with spider webs, swings and turns, tree swing straps and rigging Preferred material: this heavy-duty rotating carabiner hook can be used all year round and is not thrown aside like most gifts, so you can give it to a loving camper, hiker, father or son for the holidays Convenient to carry: We have carefully designed these small and portable swivel carabiner so you can put them in your backpack when you go on a business trip, they do not take up space and you can use them at any time