... prevent leaks between the tank and the bowl. Tank to bowl gasket kits Itemtank to bowl gasket kitsBrandRAMISCountry of OriginXiamen,China Item No ... -M12 copper Screws,Lock Nuts,steel Gaskets,rubber GasketsApplication Toilet bowl of TOTO,AMERICAN STANDARD,ROCA,INAX,KOHLERItemNameQty/pcSpecificationMaterial1Butterfly Nut 35 ... ASTM, DIN, SAE,VDA6.1, UL,FDA,JIS. Tank to bowl gasket kits