General description The Pack Toilet Seat Hinge Mounting Screws are designed for easy installation and replacement of toilet seat hinges. This set includes 2 pairs (4 pieces) of screws that fit most standard toilet seats with top fixing hinges and a 14-18mm toilet seat hole. Made from high-quality materials, these screws provide a sturdy and durable solution for securing your toilet seat. Technical specifications Black expansion ball diameter: 1.8 cm Length of screws: 4 cm White screw size: 4.5 x 0.5 cm Nylon expansion nut size: 3.7 x 1.8 cm Washer diameter: 1.4 cm Installation Insert the rubber nut into the holes. Insert the screws through the washer and plastic plate into the rubber expansion nut. Tighten the screw and cover the stainless steel base. Align the pin and insert it into the hole of the toilet lid. Usage Ideal for replacing unnecessary plastic inserts that come with new top fixing toilet seats. Helps to secure the toilet seat firmly, preventing it from moving. Other