Includes: - 1 Hammock Chair Swing Spring - 1 Pin Plug Hardware - 1 Bearing Features: - Spring and U-pin plugs made of steel with baked paint finish, rust-proof and corrosion-resistant. - Bearing is steel-made for durability, wear resistance, high-temperature tolerance, and noise reduction. - Spring absorbs vibrations, enhances comfort, and prolongs chair lifespan. Compatibility: Fits most hanging chairs, egg chairs, porch swings, freestanding swings, hammocks, and hammock chairs. Safety: Supports over 500 lbs, matching standard egg chair weight limits. Installation: Simple setup with clevis pin connecting the spring to the support (refer to image). Quality Assurance: Each product inspected before shipping. Full refund or replacement available if unsatisfied.