High Quality: Zinc alloy hinges, rustproof, antibacterial, zinc alloy hinge, silver plated surface, for MDF toilet seat, wooden toilet seat, resin toilet seat. Corrosion resistance: The small screws are made of corrosion-resistant stainless steel, ideal for humid or low airflow environments. Washers and nuts: Washers and nuts: rubber, The rubber washers make a large and durable rubber fixing nut with limited space. Easy installation: This set comes with all the fittings and should install easily, all you need is a screwdriver. The zinc alloy toilet lid can be used for a long time, no oxidation, corrosion, easy to clean. zinc alloy, rustproof, antibacterial, electroplated surface is not easy to fall off. Perfect for use in bathroom, hotel, public places, etc. Features: Item Type: Toilet Seat Fixings Material: Plastic & Zinc Alloy Dimensions: As shown in the picture Quantity Sold: 4 Pcs Replacement Hinges: No need for a new toilet seat Whenever a hinge is broken, simply replace them with this set which includes all accessories. Compatible with: Very good for broken or old toilet seat hinges, suitable for most standard toilet seats with top hinge. High Quality Material: The hinge is made of zinc alloy, will not rust, ensuring quality and long service life. Easy to Install: The easy-to-change hinge allows it to be removed from the seat for easy cleaning and replacement. Flexible and convenient to use and easy to install on the toilet seat cover.