1. High quality: Zinc alloy hinges with silver-plated surface, suitable for MDF, wooden, and resin toilet seats. 2. Corrosion resistance: Small screws made of corrosion-resistant stainless steel, ideal for humid or low-air-circulation environments. 3. Washers and nuts: Rubber washers and durable rubber mounting nuts designed for secure installation in limited-space applications. 4. Easy installation: Includes all necessary fittings; installation requires only a screwdriver. 5. Long-lasting performance: Zinc alloy toilet lid resists oxidation and corrosion, is easy to clean, rustproof, antibacterial, and features an electroplated surface that remains intact over time. Suitable for bathrooms, hotels, and public facilities. Product Features: Item Type: Toilet seat fasteners Material: Plastic and zinc alloy Hinge dimensions: 3 cm height, 4 cm diameter Screw length: 1.5 cm White plastic attachment: 3 cm × 4 cm Replacement convenience: No need to replace the entire toilet seat when a hinge breaks—this set includes all required components for quick replacement. Compatibility: Designed for broken or aged toilet seat hinges; fits most standard toilet seats with top-mount hinges. High-quality construction: Zinc alloy hinge resists rust and ensures long service life. Ease of maintenance: Allows easy removal of the seat for cleaning and repair. Package includes: As shown in product image Color: Silver