... . 2.competitive price. 3.ISO,SGS. 4.OEM service available Stainless Steel Spring Wire :Product Instructions:1) Grade: 201, 202, 301, 302, 304, 304L ... , JIS, SUS2) Diameter: 0.1mm-15.0mm3) Condition: soft wire, semi-soft wire, hard wire4) Surface finish: electrolysis bright, bright, matt.5 ... for diameter 6.0-8.0mm8Packing As Buyer's Requestment Stainless Steel Spring Wire