1.wire diameter:0.2-14mm 2.factory price and quality assurance 3.OEM & ODM service 4.CNC machine production 5.fast delivery suspension spring SPECIFICATION:1 FactoryEstablished in 20052Trade experience Over 15 years, OEM service available3Wire diameter0.0079in(0.2mm) to 0.55in(14mm)4Material Stainless steel, carbon steel, spring steel, alloy spring steel, refractory steel, brass, bronze, etc. ...