High quality materials The toilet seat flush tank screws are made of high quality stainless steel and rubber, good workmanship, durable, wear-resistant, corrosion-resistant, safe and durable.< /p> Easy installation: toilet tank screws - The toilet seat is very easy to install and use and can be easily removed and installed at any time. You just need to remove the old screws and install the new ones. Use for most toilets: Flush tank screws - The toilet seat is suitable for most toilets. Repair faulty toilet lids and improve the toilet facilities in your apartment. Scope of delivery: 2 water tank screws (please note: 2 water tank screws only for 1 toilet water tank), very suitable for connecting the water tank to the toilet and repairing the leaking or dripping toilet. Wide range of Applications: Not only for home use, but also for public restrooms. If you have any questions about the product, please contact us.