... Steel Spring Wire Grade:201,202,304,304L,304ES,316,316L etc Dia:0.3-7mm Finish:bright,soft, hard Packing:ciol Stainless Steel Spring ... good ductility, high tensile strength and can be last long in use. High flexibility, ... abrasion resistance and corrosion resistance, unified diameter, smooth surface, bright color, ect. Especially the electrolysis bright wire, it’s our “hot sales ...