Metal Toilet Seat Bolts Kit: The toilet seat screws replacement kit are made from SUS 304 stainless steel, ensuring durability and resistance to corrosion and rust. The stainless steel washers and downlock nuts are leak-proof and less prone to cracking. The black rubber gaskets provide long-lasting sealing performance Stainless Steel Toilet Screws Downlock Nuts: Designed to prevent sliding and shifting, the long stainless steel lock nuts enhance stability and comfort. Unlike plastic toilet seat screws, which can break or loosen easily, iFealClear's bolts will remain securely fastened Universal Compatibility: The toilet seat fasteners are suitable for all standard toilets, including TOTO, Kohler, Glacier Bay and American Standard models. The combination of metal washers, stainless steel toilet bolts and lock nuts ensures a proper seal Easy DIY Installation: Fasten your toilet seat securely to the toilet with ease, making this an basic accessory when conducting toilet seat repairs. toilet seat fasteners Package Includes: Two pcs 3.74-inch stainless steel toilet seat bolts replacement kits; two pcs 2-inch lock nuts; four pcs stainless steel anti-slip washers; six pcs black rubber washers Features of iFealClear toilet seat bolts no slip:1.Large rubber gromets on both upper and lower sides. This secures and seals the toilet tank to the bowl. 2. Easy to install:The toilet seat hardwares are very easy to fit done in a matter of minutes, simply remove old bolts clean around the area and fit the new bolts. 3.The rubber gaskets is used to hold the bolt in place to prevent it from shaking Specification: --Material:Stainless Steel, rubber,High quality brass material prevents rust and it is easy to disassemble. NOTE :Please use the screwdriver and the wrench to tighten the bolts,Keep the toilet seat from loosening