Use our #9 gauge no-sag zig zag springs for your seat applications. These springs are 1-3/4 inches wide with a distance between turns of 7/8 inch. The 9-gauge wire has a diameter of 0.1180 to 0.1480 inches. Sinuous springs attach directly to the frame of your furniture. You can cut these springs down to the size you need with bolt cutters. Made of premium sinuous wire made in USA. Sold in 120 ft. rolls.