1. Package IncludesYou will receive 2 sets of blind hole accessories for toilet hinges, equipped with rubber chair screws, nuts and washers, convenient for daily use. 2. Highquality materials: the toilet seat replacement parts are carefully made of 304 stainless steel and highquality rubber materials. 304 stainless steel is corrosion resistant and highquality rubber materials ensure that the product is robust and has a long life and can easily withstand the wear and tear caused by frequent daily use. 3. Easy to use: insert these toilet seat screws into the toilet mounting holes. The rubber washers have a thread so you simply slide them into the holes at the top of the toilet. When you tighten the screw, it expands and screws itself into the hole without the need for a screw at the other end. 4. Wide applicability: our toilet seat accessories are designed for toilet lids and suitable for most toilet lids with interchangeable hinges.