【High Quality Material】: The toilet seat fixing screw is made of high quality rubber and stainless steel. Good flexibility, good toughness, durable, not easy to slip, not easy to break and rust. 【Package Contents】: The toilet seat fixing kit includes 2 pairs of screws d expansion, including expansion balls, screws and washers. 【Universal Toilet Seat Screws】: These toilet seat screw accessories are universal and fit toilet seat openings. 13-18mm and fits most standard toilet seats. 【Easy to Install】: You can easily assemble in minutes. Insert the toilet seat screw into the toilet mounting hole and tighten the screw, which is convenient and time-saving. 【Perfect Repair】: Replace the old fixtures by connecting the screws of the toilet seat, firmly fix the toilet, perfectly repair the defects of the soft closing mechanism of the toilet at home, and save a lot of money for new purchases.