M10 M12 Stainless Steel Unthreaded Bushing Washer Round Hollow Standoff Spacer Gasket Sleeve Length 1 2 3 4 5 6 8 10 12 16 20mmHome Improvement > Hardware2,98 $US (≈ 4,16 $CA)3,59 $USEn stockSold by AliExpress WWVoir le magasin