Includes: 1 hammock chair swing spring, 1 pin plug hardware, and 1 bearing. Features: - Spring and U-pin plugs made of steel with baked paint finish for rust and corrosion resistance. - Upgraded steel bearing offers wear resistance, high-temperature tolerance, and durability for smoother, quieter motion. - Spring absorbs vibrations, enhances comfort, and extends chair lifespan. Compatibility: Works with most hanging chairs, egg chairs, porch swings, freestanding swings, hammocks, and hammock chairs. Safety: Supports over 500 lbs, matching standard hanging chair weight limits. Installation: Simple setup with clevis pin connecting the support and spring. Replace existing parts quickly. Quality Assurance: Each item inspected before shipping. Full refund or replacement available if unsatisfied.