Description: INCLUDES - 1pc swing spring for hanging chair, 1pc pin and plug and 1pc bearing. The spring and u-pin plugs are made of steel, surface treated with paint, rustproof and corrosion resistant. Upgraded bearing set - BEARING made of steel, has great wear resistance, high temperature resistance and high hardness. It can effectively increase lubrication and reduce noise. The spring can absorb the vibration when shaking, play a buffering role, increase the life of the chair and make it more comfortable when shaking. WIDE APPLICATION - For use with almost all hanging chairs, egg chairs, porch swings, freestanding swings, hammocks and hanging chairs. SAFER SUSPENSION - With a load capacity of more than 227kg, the spring can meet the daily use of most families, which is consistent with the load capacity of ordinary egg hanging chairs. EASY TO USE - You can refer to the picture for the installation sequence, the clevis pin passes through the support and connects to the spring. You can install it or replace the existing ones with it in a few minutes. QUALITY GUARANTEE - Each product has been carefully checked before packaging. Satisfaction Guarantee. If for any reason you are not completely satisfied, you can ask for a replacement or full refund, no questions asked.