OfficialParts Specialist Since 2016 Trusted by over 120,000 European drivers, explore our certified accessories collection directly from the seller profile. INCLUDES - 1 pc Hammock Chair Swing Spring, 1 pc Pin Plug Hardware, and 1 pc bearing. The spring and U-pin plugs are made of steel with a baked surface paint finish for rust-proof and corrosion-resistant performance. Upgrade Kit Bearing - The bearing is made of steel and offers excellent wear resistance, high temperature resistance, and high hardness. It enhances lubrication and reduces noise. The spring absorbs vibration during use, providing a buffering effect that increases chair lifespan and improves comfort. WIDE APPLICATION - Compatible with most hanging chairs, egg chairs, porch swings, free-standing swings, hammocks, and hammock chairs. SAFER SUSPENSION - With a load-bearing capacity of over 500 pounds, the spring meets the daily usage needs of most families and matches the standard weight capacity of typical egg hanging chairs. EASY TO USE - Refer to the installation image for assembly sequence. The clevis pin passes through the support and connects to the spring. Installation or replacement can be completed within minutes. QUALITY GUARANTEE - Each product is carefully inspected before packaging. Satisfaction guaranteed. If you are not completely satisfied for any reason, you may request a replacement or full refund.