Diameter.: 12MM--76MM (3/4"---3") 6/8/10/12(ANSI 2/5) Zinc Plated, BLACK, PLAIN, YZP, HDG DIN, ANSI, UNI, JIS, ISO Product details:Diameter.: 12MM--76MM (3/4"---3")Grade: 6/8/10/12(ANSI 2/5)Surface: Zinc Plated, BLACK, PLAIN, YZP, HDGStandard: DIN, ANSI, UNI, JIS, ISOPacking: bulk or small box packed in cartons, then in pallets.