1).High Quality Custom Spring; 2).Made of various material with different finish; 3).Made in ISO/TS16949 certified factory. Key Specifications/Special Features:Product Name: High Quality Custom Spring;Features: Wire Diameter: 0.01 to 16mm are available;Raw material: stainless steel, carbon steel, spring steel, alloy spring steel, refractory steel, brass, and bronze are ok for choice;Finish: zinc- ...