High-Quality Materials: The toilet seat hinge set is made of high-quality stainless steel and rubber, with a smooth surface, stable and rust-proof, providing strong support for your toilet seat. Rubber expansion plugs are dirt-resistant, wear-resistant and not easy to break, while plastics have excellent toughness, strength and stability. Perfect Fit: These toilet seat hinges come with expansion screws that fit perfectly with the toilet holes, preventing any wobbling or loosening. Ideal for damaged or old toilet seat hinges, rounded hinge plates make these toilet hole screws stronger and stronger. Package Included: You will receive 2 toilet seat fixings, including 4 rubber expansion plugs, 2 plastic expansion plugs, gaskets, stainless steel screws and covers, all accessories included in one time. You only need to install the toilet lid and toilet seat top hinge once and it will provide you with years of use. Easy to Install: The toilet seat hinge adopts a simple assembly structure and can be completed with a screwdriver. When installing, just insert the toilet seat screw into the hole at the top of the toilet, when you tighten the expansion screw, it will expand and screw into the toilet hole, no need to install screws at the other end of the toilet. Wide Application: The compact design of the toilet seat hinge makes it easy to install, quick to remove and easy to clean, durable and long lasting. Designed specifically for toilet mounting brackets to replace old fittings and fits most standard toilet seats and top mount hinges.