1、Suitable for various types of hanging chairs, hammocks, egg chairs, wicker baskets, boxing sandbags, etc. 2、Special spring steel, galvanized surface treatment, can be used as a swing chair accessory. 3、Precise casting parts, rust‑proof and corrosion‑resistant, durable and prolonged service life. 4、The spring load is 500kg, which helps to reduce the pressure and provide a more comfortable and soft feeling. 5、It is safely hung on your hanging chair or swing, with strong load-bearing capacity, no need to worry about breaking. 2 x Swing Spring Item Type: Swing SpringModel: Approx. 8mm/ 0.3inMaterial: Iron GalvanizedBearing Weight: 500kg/ 1102.3lbWeight: Approx.505g/ 17.8ozPurpose: Swing Chair Accessories