Spring clips are used with zig zag (sometimes called serpentine) springs. 7/8 x 7/8 inches. Made of high quality steel. CS Osborne No 4451
Upholstery Zig-Zag Spring Kit-6pk Springs Clips Nails for
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Make fantastic furniture, seats and ottomans easier with zig zag springs, sinuous springs and no-sag spring. Different name, same springs and clips!
Zigzag / No-Sag Springs and Clips
Upholstery Spring Clips
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Upholstery Zig-Zag Spring Kit-6pk Springs Clips Nails for