Includes - 1 Hammock, Chair, Swing, Spring, 1 Part, 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 constructed from durable, high-temperature resistant, high-hardness steel to enhance lubrication and reduce noise. The spring absorbs vibration during use, providing a buffering effect that extends chair lifespan and improves comfort. WIDE USAGE - Compatible with most hanging chairs, egg chairs, porch swings, freestanding swings, hammocks, and hanging chairs. Safer suspension - Spring load capacity exceeds 500 pounds, suitable for typical household use and consistent with standard hanging egg chair weight limits. Easy to use - Installation follows illustrated sequence; U-shaped pin passes through bracket and connects to spring. Setup or replacement can be completed in minutes. Quality Assurance - Each product is inspected before packaging. Satisfaction guaranteed; for any reason you are not completely satisfied, an exchange or full refund can be requested with no questions asked. Customer-first approach with 24/7 support. Wherever you are or whatever issue arises, assistance is available to ensure a worry-free experience.