Product Material: Stainless steel. Size: 47 mm screw, 45 mm rubber base, 27 x 45 mm replacement hinge. Color: Black. Quantity: 1 pair. Package content: 2*expansion screw. 1. Stainless steel hinge: High quality stainless steel full piston, good toughness, stability, corrosion resistance and no deformation. The plastic base is deformable and the smooth stainless steel surface is simple and generous.2. Dimensions: A pair of replacement fastenings for toilet seat with 47 mm screws, 45 mm rubber base, 27 x 45 mm replacement hinges, 45 mm stainless steel lid and matching 45 mm rubber anti-slip rubbers.3. Easy to install: The stainless universal screws are easy to install. After installation, the glasses sit tight and no longer wobble. The holder is universal and fits perfectly for the repair of toilet glasses with soft close function, soft close function and quick release function.4. General: Fits most standard toilet seats with fixed top hinge, perfect choice for DIY enthusiasts, clever design, easy to use.5. Easy to clean One-button installation with round base is convenient and