4-piece set: consisting of 2 carabiners, 1 spring and 1 rotating ring with a total length of 45 cm. The steel spring can hold up to 150 kg, so you can comfortably enjoy your hanging chair, hammock, tent, box or sandbag. High-quality material High-quality stainless steel: Our swing spring is made of stainless steel and ensures a more stable, smoother and safer suspension. Safe and reliable multi-purpose use: All parts are made of stainless steel and are durable and corrosion-resistant. The high-quality stainless steel spring is suitable for indoor and outdoor use and can be used for hanging chairs, porch swings, rocking chairs, punching bags, outdoor swings, aerial yoga, etc. Easy to install: The rust-proof steel carabiner is safe and easy to install and can be installed in a few minutes without much time and effort. Perfect for hanging chairs, swings, punching bags, yoga and more Stainless steel: The hammock spring with 2 carabiners and 1 360° rotating ring is made of stainless steel