Stainless steel extension springs also name stainless steel coil springs, small stainless steel coil springs, steel coil spring, use for hang the functional springs for sofa and install in the sofa bed.
Stainless steel extension springs details:
Thickness: 1.0-3.0mm
Material: stainless steel wire, steel wire
Surface treatment: galvanized, black plated
Packing: 2000pcs/box
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