The toilet seat replacement parts kit is easy to install with convenient and fast installation process, just push the toilet seat nut into the hole, put on the gasket and tighten the bolt from the top, the screw will expand and tighten itself into the hole.Built-in adjustment range, compact design makes it easy to install, quick to disassemble and easy to clean.Expanding toilet seats screws fixing for toilet lid, you dont have to worry about the instability of the toilet seat.If your toilet seat kept moving, please use these toilet seat fixing screws to replace the useless plastic inserts supplied with a new top fix seat. Toilet seat fixing kit is perfect for you to replace your broken or old toilet seat hinges.Fits most standard WC toilet pans. Great for top fix fitting toilet seats and back to wall units.Delivery Quantity: 1set,Package Contents: Only the above package contents, excluding other products.Size: The detailed size is shown in the picture(Reminder: The size is measured manually, please allow 1-2 cm measurement error)Color: silver(Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)