Includes: 1 hammock, 1 chair, 1 swing, 1 spring, 1 part, 1 pin sleeve, and 1 bearing. The spring and cap are made of steel with a painted surface for rust and corrosion resistance. Bearing upgrade kit: Bearings are made of durable, high-temperature-resistant, high-hardness steel, designed to improve lubrication and reduce noise. The spring helps absorb vibration during use, providing a cushioning effect that extends chair life and enhances comfort. Wide compatibility: Works with most hanging chairs, egg chairs, porch swings, freestanding swings, hammocks, and hanging chairs. Safe suspension: Spring load capacity exceeds 500 pounds, suitable for most household uses and compatible with standard hanging egg chair weight limits. Easy installation: Follow the included image for installation sequence; the U-shaped pin passes through the bracket and connects to the spring. Install or replace in minutes. Quality assurance: Each product is inspected before packaging. Satisfaction guaranteed – if you are not completely satisfied for any reason, you may request an exchange or full refund with no questions asked. Customer-first policy: We offer 24/7 customer support. Wherever you are or whatever issue you encounter, we will assist promptly to ensure a worry-free shopping experience.