6" Furniture Coil Spring (8 Gauge)

Built for long-lasting comfort and strength, the 6" Furniture Coil Spring (8 Gauge) is made from durable 8-gauge steel for firm, reliable support. The KOE (Knotted One End)—one end of the spring is tightly knotted to itself—adds stability by preventing rotation or shifting, creates a firmer base, and reduces wear on webbing and twine for longer-lasting performance.

Ideal for sofas, chairs, and other high-use upholstered furniture, it delivers professional-grade support, maintains its shape over time, and helps extend furniture life.

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