1Piece-30Pcs M5 M6 M8 M10 M12 M14 M16 M18 M20 M22-M48 Red Copper Sealing Washer Plain Washer Seal Gasket Ring Shim Flat Washers
https://www.vogueparade.com/shopping/EN/42/7/1005003733533405/1piece-30pcs-m5-m6-m8-m10-m12-m14-m16-m18-m20-m22-m48-red-copper-sealing-washer-plain-washer-seal-gasket-ring-shim-flat-washers//