Stainless Steel Round Ring Polished Welded O-Ring Heavy Duty Solid 9-344mm ID A2
Material: A2 Stainless Steel(Other National Reference Grade AISI 304; DIN X5CrNi18-10; EN 1.4301; JIS SUS304). Made of Stainless Steel Grade A2 (AISI 304), Various Size. Round rings have many uses.