Easy To Install The toilet seat fixing hinge is easy to install and takes only a few minutes. It holds the seat firmly without wobbling. Detailed installation steps are shown in the third picture. Ideal Fit This toilet hinge comes with a rubber stopper that is flexible and durable compared to plastic stoppers. It fits the toilet hole perfectly. High Quality The toilet hinge is made of premium stainless steel and rubber. It has a smooth surface, is strong and durable, corrosion-resistant, and built for a long service life. Size The pins that go into the seat are 28 mm in length and 8 mm in diameter. The base is 6.2 mm in diameter. The rubber cap is 35 mm in length and 18 mm in diameter. This product is universal and suitable for most toilets. (Please check the size of the pins before placing your order.) Package Includes 4 pieces of toilet seat screw hinges Additional Features Easy to replace in just a few minutes Perfect fit the rubber caps slide into the holes and expand when the screws are tightened, creating a secure fit Made from quality materials anti-rust, strong, durable, and designed for long-term use