This Toilet Tank Screw and Seal Ring Kit is designed to fit a wide range of toilet tank brands. Whether you have a traditional or modern toilet, this accessory set will provide a secure installation. The good materials used in its construction ensure durability and longevity. The included fixed screws and gasket seat make installation a breeze, even for those with DIY experience. Features -Color:Black -Material:Rubber -Size:8.50X8.50X2.80cm/3.34X3.34X1.10in -Strong and Durable: These toilet seats bolts are strong and durable, not easy to damage, can meet your different needs -Stable and Secure: The lock nuts can avoid shifting, have better stability and the washers secure and seal the toilet tank to the bowl -Good Toughness: Simple and reasonable structure design, with high stability and good toughness, so it is difficult to break -Secure Connection: The wing nut is firmly secured against loosening, making a secure and watertight connection between toilet tank and bowl -Effective: As a practical , it is good and effective for most standard toilets for home, restaurant, office, school, etc Package list: 2 x Toilet Tank Bolts 1 x Sealing Ring