... Specifications Wire Diameter 0.08mm-13mmMaterialStainless steel, carbon steel, spring steel, alloy spring steel, refractory steel, brass, bronze, etc.Surface Treatment ... , gold-plated, imitation gold-plated, and so on.All to the customers requestPacking Inner Packaging: Smaller Plastic Bags ... .4.Products show: Custom and precision stainless steel/carbon steel wire forming,spring wire form clip,ISO9001