Premium MaterialToilet seat hinge fasteners are made of rubber and stainless steel, rubber is more resistant to dirt and wear, and not easy to break. Under the protection of rubber, the metal screws are less prone to rust and durable for long-term use. Easy to InstallRubber grommets have a threaded section so you can simply attach them. insert into the holes at the top of the toilet bowl. When you tighten the screw, it expands and pulls into the hole without the need to screw the other end of the screw. Hinge PlatesThe round hinge plate can make those stiffer and stronger toilet hole bolts. When tightening the screws that the washers push into the holes, you must be careful not to tighten the screw so much that it pushes through the washer. Wide ApplicationsA strong mounting kit , reliable and sturdy specially designed for toilet mounting brackets. Toilet lid seat fittings fit most standard toilet seats with hinges. Convenience and time saving. Colour: silver Size: 5 cm in diameter Quantity delivered: 1 pair The dimensions of the products are all measured by hand, there are errors and the actual product shall prevail. The color of the product is affected by the shooting light, and there is a slight color difference, which depends on the actual product received.Products from GuanGuan's store