High Quality: Zinc alloy hinge, rustproof, antibacterial, with a silver finish, ideal for MDF, wood, and resin toilet seats. Corrosion Resistance: The small screws are made of corrosion-resistant stainless steel, perfect for humid or poorly ventilated environments. Washers and Nuts: Made of rubber. The rubber washers allow for secure and durable mounting in tight spaces. Easy Installation: Includes all necessary hardware for easy installation; you only need a screwdriver. Material: Zinc alloy. Color: Silver. Package Includes: 2 hinges. Note: Due to manual measurement, there may be a slight variation. Please ensure this is not a problem for you before purchasing. 2. Colors may vary slightly depending on your monitor. Hello, please carefully check your shipping address when purchasing. If your delivery information (name, street, house number, phone/email address, etc.) is incorrect, the order will not be delivered successfully.