Helical Upholstery Spring
Helical Upholstery Springs are heavy-duty metal coiled extension springs frequently used as tie-betweens for sinuous, no-sag, and zig-zag springs. Creating a flexible yet stabilizing action, these springs are ideal for use on chair backs and seats.
Material: Heavy-Gauge Steel
Seat Spring Length: 3.0"
Back Spring Length: 2.5"
*measurements taken before expansion