50 100 200-2000pcs , CS 2.8mm OD 14 15 16 18 20 22 24 26 28 32mm,Black NBR O-Ring Seals Oil Resistant Round Gaskets CustomizableHome Improvement > Hardware4,52 $ (≈ 3,72 CHF)5,95 $Auf LagerSold by AliExpress WWZum Shop