High-quality material: The toilet seat attachment is made of rubber and 304 stainless steel, the rubber is more resistant to dirt and wear and not easy to break, is strong, rust and corrosion resistant, providing great strength and durability. General: The toilet lid attachment is universal and excellent for repairing toilet seats with automatic lowering system, soft-close function and quick-release function. Easy to install: These rubber washers for toilet seat attachments have a threaded part, so you can easily insert them into the holes on the top of the toilet bowl. When you tighten the screw, it expands and retracts into the hole, without needing a screw at the other end of the screw, and can be installed in minutes. Versatile application: This kit is designed to provide a strong and sturdy attachment for toilet seats in bathrooms, suitable for most standard toilet seats. It offers versatility and can be used in a variety of bathroom environments. Dimensions: Package includes: You get 2 pieces of replacement parts for toilet seat attachments with 48 mm screws, 42 mm rubber base, 37 x 44 mm replacement hinges, 45 mm stainless steel cover, 2 pieces of each. With this complete set, you can easily install the attachments once and enjoy years of reliable performance. Note: Before purchasing, disassemble your old toilet lid attachment and compare the size with the new toilet lid attachment. To ensure proper function, the hinges on your old toilet lid must have the same or at least similar dimensions.