M2 M2.5 M3 M4 M5 M6 M8 304 Stainless Steel (A2-70) Bushing Washer Round Hollow Unthreaded Stand-off Spacer Gasket Length 3-20mmHome Improvement > Hardware1,52 $ (≈ 1,36 €)1,62 $Auf LagerSold by AliExpress WWZum Shop