Furniture Accessory 3.8mm Rolling Sofa Bed Spring Wire Zigzag Springs
Furniture Accessory 3.8mm Rolling Sofa Bed Spring Wire Zigzag Springs
Products Descriptions
These are high-carbon steel wires bent into a continuous "zigzag" or "sinusoidal" pattern. The "3.8mm"
refers to the diameter of the steel wire used, which is a very common and robust size for sofa beds and
other heavy-duty furniture.
The term "Rolling" likely refers to the process of how they are formed or could be a slight mistranslation,
but it effectively describes their function: they are designed to be connected in a series and "roll" with
the movement of the folding sofa bed mechanism.

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