... Size: 12mm~250mm Surface:Bright and oxidation 300 Series Stainless Steel Bar, Stainless WiresGrade: 302,304,321,316,309,310,314,etc. ... strength, excellent anti-corrosion property, good preventing and anti-radiating property.Applications of Stainless steel wire: airspace, military, medicine, chemical industry, petroleum ... more detail, pls contact me asap.Regards! 300 Series Stainless Steel Bar