USA STD 2000PCS AS568-004 005 006 007 008 O-ring,NBR70 ROHS Rubber ring cs1.78MM ID1.78 2.57 2.9 3.68 4.47Home Improvement > Hardware14,03 USD (≈ 11,55 CHF)15,25 USDDisponibileSold by AliExpress WWVai al negozio