Place of Origin: Fujian,China (Mainland) Function: support on mattress corner corner support spring can give good support to mattress on the corner part of spring unit. corner support spring is also called corner support, support spring. corner support spring is zig-zag type and bended in the middle. corner support spring uses stronger gauge of wire to have a good strength. wire thinckness: 3.0mm 4.0mm height: 10-20cm Corner Support Spring has been presented above, want more similar products, please click corner support spring,corner spring,corner springs. Category: Support Springs Related Category: Bonnell Springs