Material: Stainless steel Size: 47mm screw, 45mm rubber base, 27x45mm replacement hinge Color: Black Quantity: 1 pair Package content: 2 expansion screws 1. Stainless steel hinge: High-quality stainless steel full piston construction offers excellent toughness, stability, corrosion resistance, and no deformation. The smooth stainless steel surface provides a simple and elegant appearance. 2. Dimensions: Replacement hardware set for toilet seat includes 47mm screws, 45mm rubber base, 27x45mm replacement hinges, 45mm stainless steel lid, and matching 45mm rubber anti-slip pads. 3. Easy to install: Universal stainless steel screws allow for straightforward installation. Once installed, the seat fits securely without wobbling. The mounting system is universal and compatible with toilet seats that have soft-close and quick-release functions. 4. Compatibility: Designed to fit most standard toilet seats with top-mounted hinges. Ideal for DIY repairs and replacements. Features a clever, user-friendly design. 5. Easy to clean: Round base with one-button installation enables quick and convenient assembly and disassembly. Compact design supports easy cleaning and maintenance.