Universal Compatibility: Designed to fit most standard toilets, this kit ensures a secure and stable toilet seat installation. Suitable for both top and bottom fixing toilet seats. Construction: Made with high-quality materials, these bolts and screws are built to last, resisting and wear even in humid bathroom environments. Quick Release Mechanism: Features a quick release mechanism that makes it easy to install and remove the toilet seat for cleaning and replacement without tools. Expanding Rubber Nuts: The expanding rubber nuts a tight fit and prevent loosening over time, providing a reliable solution that maintains stability. Easy Installation: The kit includes all necessary components for a quick and hassle-free installation, making it a convenient choice for DIY enthusiasts and professionals alike. Color: Silver & White Material: plastic Package Contents: 4 x Toilet seat fixing bolts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.