The toilet seat replacement parts kit is easy to install with a convenient and fast installation process. Simply insert the toilet seat nut into the hole, place the gasket, and tighten the bolt from the top. The screw will expand and secure itself into the hole. Built-in adjustment range and compact design allow for easy installation, quick disassembly, and simple cleaning. These expanding toilet seat screws provide a secure fit for toilet lids, helping to prevent instability. If your toilet seat moves or shifts, replace the old plastic inserts with these durable fixing screws. This toilet seat fixing kit is ideal for replacing broken or worn toilet seat hinges. Fits most standard WC toilet pans. Suitable for top-fix toilet seats and back-to-wall units. Package Contents: 1 set (only the items listed) Size: Refer to image for detailed dimensions (note: manual measurement may vary by 1–2 cm) Color: Silver (actual color may vary slightly due to monitor settings and lighting)