This listing is for new Metric M3 Stainless Steel Flat Washers. These have an A2-70 / 18-8 Grade rating. Metric Size : M3 / 3mmType : Flat WasherSpecification : DIN 125A / ISO 7089 / 7090Material : Stainless Steel Grade A2 / 18-8 / Type 304 Specification sheet for each item below :