4.5-Inch Precision Spring: Features 3/4" coil, 2mm wire, 20-turn winding. Long, reinforced hooks provide a universal, slip-resistant fit for recliner mechanisms Universal 4-1/2" Spring: Fits recliners, sofa beds, RVs, trampolines, and is compatible with Southern Motion, Catnapper, La-Z-Boy brands Smoother Operation, Enhanced Comfort: Say goodbye to sagging and noise. This spring provides consistent tension for a quiet, smooth recline, offering an affordable way to bring your favorite chair back to life Industrial-Grade Durability: Features a 304 stainless steel core with zinc plating, supporting 250 lbs per spring and tested to 10,000+ cycles for guaranteed tension retention 5-Minute DIY Installation: No tools needed. Perfect for homeowners and pros alike Wide Compatibility for Top Recliners & Furniture: These replacement recliner springs are designed to fit recliners from major brands (Fits for Southern Motion, Catnapper, Lane, FR, Berkline, Action, HomePlace Group, Lazy Boy). Perfect for repairing recliner springs or upgrading replacement springs for recliners, sofa beds, cribs, RV pull-outs, folding couches, and trampolines Ergonomic Comfort & Dynamic Body Support: Each spring for recliner chair features 3 springs (4-1/2" total length, 21 coils, 7/10" diameter) to deliver balanced cushioning. They flexibly adjust to weight and posture, absorbing impact and reducing pressure for superior, long-lasting comfort Durable Premium Spring Steel Construction: Built for longevity, these high-grade recliner replacement springs use 2.3mm rust-resistant spring steel. The robust 1-9/10" coil body ensures exceptional durability and reliable performance under repeated stress Effortless DIY Replacement for Sofas & Couches: Replace damaged couch springs or replacement springs for sofa easily thanks to excellent flexibility – no specialized tools usually needed. For stubborn installations, simply use a spring expander or consult a pro. (Tip: Wear gloves & safety goggles) Restore Stability & Rejuvenate Comfort: These replacement springs for recliners are engineered to reliably restore furniture stability and minimize frame wear. Achieve hassle-free, cost-effective couch springs replacement for enhanced seating comfort, ideal for both DIYers and repair technicians