General description FLITI Heavy Duty Hanging Hammock Chair Set is designed for securely attaching springs for hanging chairs and various hanging accessories, including sandbags and hanging plants. This set ensures that your hanging chair can hang, rotate, and twist smoothly without getting stuck or coming loose. Technical specifications Material: High strength alloy Features: Lightweight, strong structure Spring type: Long industrial grade spring spiral Noise level: Low noise operation Vibration: Low stress and vibration Usage Ideal for outdoor products Perfect for heavy duty needs