Widely used. The spring capacity is 300 kilograms. Fits almost all punch bags, hanging chairs, cocoons, egg chairs, wicker baskets. The spring helps relieve shock stress, provides a more comfortable and softer feel, and will increase the life of your hammock, in addition to your mounting surface. Quality material. . The spring is made of galvanized iron. Higher corrosion resistance, not easy to rust, more durable. Good performance. Can be used with confidence. Simple assembly. With hooks on both ends, the porch swing spring easily connects to your hammock chair without the use of tools or complicated operations. Features Sturdy steel structure. Galvanized and transparent coating for longer life.Spring helps relieve impact stress, provides a more comfortable feel and increases the life of your hammock.Rated spring capacity over 300 kilograms, reduces noise, stress and vibrations.Suitable for garden swings, hanging basket and clothes hanger.Technical characteristicsMaterial: galvanized ironColors: silverLength 108mm (approximately)Wire diameter: approximately 7mmWeight: 200g eachNoteRemember to check the condition of the spring extension of the hammock before use.Package Content2 x Spring for hammock