Hammock Spring, Heavy Duty Extension Spring Suspension Hook Set, Galvanized Steel Suspension Hook Hanger Extension Spring for Garden Swing Hammock Chair AccessoriesMaterial: Made by high quality steel.Sturdy Steel Construction.Good performance. Higher corrosion resistance, not easy to rust, more durable. Good performance. Could be used with confidence.Function: The spring helps relieve stress from impacts, provide a more comfortable, softer feel and will increase the lifespan of your hammock, in addition your mounting surface.Simple assembly: With hooks on both ends, the porch swing spring is easy connected to your hammock chair without using any tools or complicated operation.Multipurpose: Suitable for almost all porch garden patio and yard swing, hammock, hanging chair, punch bag, cocoon, ratten egg chair wicker basket and so on.Color: silverSize: as shownQuantity delivered: 2 piecesWarm prompt:1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding3. Only the above package contents, excluding other products.