High-Quality Material--Swing Heavy Duty Hammock Chair Hanging Kit is made of high quality material, corrosion resistance & high hardness. Provide safe and sturdy hanging. 360 Degree Rotation Design-- The swivel hook allows 360 degree rotation without any tangling or twisting, and the snap hook will securely clip onto your hammock or swinging chair. Easy to Install--The spring suspension device can be hung up easily within 10 seconds without any tools. Our design is safe and reliable. 600lb suspension-- Rated over 600lb/ 300 kg capacity. The Springs create a uniform suspension and smooth movement for your hammock chair, so you can comfortably enjoy your swing, hanging chair, hammock, tent, box or sandbag safely. Indoor and Outdoor Use:Perfect for Hammock Chairs, Hanging chair, Porch Swings, Swinging Chairs, Punching Bags, or hanging any other heavy object from an overhead mount. colour:Silver Material:stainless steel size:15cm Package Contents: 1 x Hammock Chair Spring Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.