Product Review

10' section of 9 gauge sinuous/zig zag spring - hard-to-find auto restoration and upholstery products offered exclusively . Commonly used in ottomans, chairs (especially seats), auto seats and sofas (seat and back) and take the place of coil springs.
Zig Zag Springs General Guidelines:
Furniture and Auto seat cushions: 9 Gauge
Furniture Seat Backs: 11 Gauge
Auto Seat Backs: 12 Gauge (or 11 gauge for heavier duty use)