High Quality 3.8mm Round ZigZag Spring Sofa Seat Cushion Upholstery Springs
Products Descriptions
3.8mm: Refers to the diameter (or gauge) of the steel wire. A 3.8mm wire is substantial and robust,
indicating a spring designed for heavy-duty use and long-term durability. (In some regions, this might
be referred to as an 8-gauge wire).
Round: Describes the cross-section of the wire. Round wire is the standard and most common type for
these springs.
ZigZag / Sinuous Spring: The characteristic wavy shape that provides the spring action and support.
Sofa Seat Cushion: Its primary application is in the seat deck, where the highest stress and weight are
applied.