20-100pcs , CS 4.6mm OD 28 30 32 35 36 37 38 40 42 45 48 50-80mm,Black NBR O-Ring Seals Oil Resistant Round Gaskets CustomizableHome Improvement > Hardware7,21 USD (≈ 6,45 €)9,48 USDDisponibileSold by AliExpress WWVai al negozio