Material: The toilet seat screws are made of high quality 304 stainless steel. For long-lasting use, the stainless steel bolts are more stable than normal screws, preventing the toilet lid from slipping.Size: The screws of the quick-install heavy-duty toilet bolts are about 2.36 inches in length, manual measurement, specific reference to the physical.Easy to Install: The universal toilet seat hinge bolts and screws can be installed with household tools and only take a few minutes. Keep your toilet seat securely in place on your toilet seat, good accessory for repairing your toilet seat.Wide Compatibility: The toilet seat fixing replacement hinge bolts universally fit most standard toilet seats. Suitable for your toilet seat repair or replacement work, they are stable and will not wobble.Package Including:Stainless Steel Top Fixing Bolt * 228mm Diameter Plastic Gasket * 218mm Stainless Steel Gasket * 2Extra Washers: Metal washers are stronger than plastic. And plastic washers can be used anti-slip.Easy to Install: The toilet seat nuts are very easy to install in minutes, just remove the old bolts around the area and install the new bolts.