... 3-7mm Finish:bright,soft, hard Packing:ciol Stainless Steel Spring WireProduct Instructions: 1) Grade: 201, 202, 301, ... surface, slight magnetism and no cracks on forming, is widely used in bicycle fittings, kitchen and sanitation tools, goods ... flexibility, abrasion resistance and corrosion resistance, unified diameter, smooth surface, bright color, ect. Especially the electrolysis bright wire, it’s ...