DIN471 Retaining Rings Material: Carbon Steel Finish:Plain, Zinc, Black Plated Size: M3-M45 DIN471 Retaining RingsStandard: DIN, ANSI, JIS, BSMaterial: Carbon Steel, A2,A4, 304,316Finish:Plain, Zinc, Black PlatedSize: M3-M45Package: Box,Bulk In Carton Or PalletCustomerized Package Is Accepted DIN471 Retaining Rings