【New Upgrade】We have added a new 304 solid steel compression spring, which mainly withstands pressure during work and has the function to resist and buffering pressure, making you more stable and comfortable to use.【Safe and reliable and 450 kg capacity】Thanks to the corrosion-resistant 304 stainless steel, the holder is suitable for indoor and outdoor mounting, and offers a more stable, smoother and safer suspension, are rated for use by children and adults, the load capacity is up to 450 kg.【Comfortable: High load capacity】The steel spring can safely carry 250 kg, so you can comfortably carry your swing, hanging chair, hammock, which also supports relaxation. Especially when attached to a concrete ceiling, the spring gently releases and ensures.