stainless steel drag chains material:201,304,316 stainless steel Diameter:3mm-35mm standard: USA,DIN, ... Stainless Steel Chain1.Standard: NACM84/90/96,ASTM 80 ,DIN5685 A/C,DIN763/764/766,Australia standard stainless steel chain2.Package ... win-win business relations with you in the near future. 201,304,316 stainless steel chain