Feature:1. Springs reduce wear due to impact and jolting and increase the service life of mounting parts.2. Widely used in ceiling fans, gyms, suspension straps, yoga suspensions, swing chairs, boxing bags.3. Easy to install, sturdy and durable, all welded, firm connection, not easy to break, not easy to loosen.4. is processed with wire drawing treatment, smooth and without burrs.5. Load weight up to 300kg/661.4lb, it is made of stainless steel, wear‑resistant and corrosion‑resistant.Specification:Item Type: Hammock AccessoriesMaterial: Stainless SteelLoad-bearing: 300kg/661.4lbWeight: Approx.776g/27.4oz Package List:1 x Hook Base1 x Carabiner1 x Spring1 x Universal Ring4 x Bolts4 x Screws