4 Pieces Toilet Seat Fasteners with Hinges and Expansion Screws for Toilet Seat - Replacement Parts Set

Size: Diameter of black expansion sphere: 1.8 cm / 0.7 inch (unexpanded state) Length: 4 cm. White screw size: 4.5 x 0.5 cm. Nylon clamping nut size: 3.8 * 1.8 cm. Disc diameter: 1.5 cm. (The detailed size of each toilet seat nut is visible in the picture, please measure before purchase to make sure your toilet seat works well) The expandable ball is black rubber, the white screw with solid brass thread inside is nylon, the long screws and seals are made of 304 stainless steel, the soft washers are made of ABS plastic. Sturdy and durable, rustproof and corrosion resistant, better than most plastic fasteners. Plastic discs will not rust better than metal discs. When tightening the screws, the washers will dig into the holes, you need to be careful not to tighten the screw so hard that it pushes through the washer. The screw has a solid brass thread inside, can be non-slip and rustproof. Simply insert the toilet seat fixing screws into the toilet fixing holes. The rubber end caps have a threaded section, so you can easily insert them into the holes in the top of the toilet bowl and when you tighten the screw they extend and push into the hole, without the need for screws on the other end of the toilet. Comfort and time saving. 2 pairs / 4 pieces. Replacement set for toilet seat. If your toilet seat continues to move, please use these toilet seat fixing screws to replace the unnecessary plastic inserts included in the delivery with a new fixed top seat. Toilet seat fittings suitable for most standard toilet seats with top fix hinges, toilet seat hole 14-18 mm.