1.Material:Copper and Brass or others 2.Shape:Ring Gasket 3.Standard or Nonstandard:Standard 4.OEM ... Washers Specifications1) Standard:DIN125,DIN127,ISO,ASME/ASTM,JIS,BS,non standard,etc 2) Material:Brass,copper,bronze(H59,H62,H683) High ... ,very competitive prices2) Standard:DIN125,DIN127,ISO,ASME/ASTM,JIS,BS,non standard,etc3) Material:Brass,copper,bronze(H59,H62,H68 ...