... hard, matt. Certification: ISO9001:2008 OEM is accepted Stainless Steel Wire Instructions:1) Grade: 301,302, 304, 304L, 316, 316L, ... 321 etc.,2) Standard: AISI, ASTM, DIN, GB, JIS, SUS3) Diameter: 0 ... your requirement8) Application: Tie wire, pins, lashing, forming wire, filters, gaskets, elevators, safety wire, shaped and flat wire, conveyors, jewelry, springs ...