... .S Steel Bar Grade: 302,304,321,316,309,310,314,etc. Size: 12mm~250mm Surface:Bright and oxidation 300 Series Stainless ... Steel Bar, Stainless WiresGrade: 302,304,321,316,309,310 ... can meet your requirement and customize the products for our clients.For more detail, pls contact me asap.Regards! 300 Series Stainless Steel Bar