Pack of 4 Toilet Seat Hinge Fixings Toilet Lid Expansion Screws Toilet Lid Fixing Toilet Seat Screws Set, Toilet Lid Replacement Parts

Size: Black expansion ball diameter: 1.8cm (unexpanded state) Length: 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. (The detailed size of each toilet seat nut is in the picture, please measure before purchasing to ensure your toilet seat works well)Excellent Material: The expandable ball is made of black rubber, the white screw with solid brass thread inside is made of nylon, the long screws and gaskets are made of 304 stainless steel, the soft washers are made of ABS plastic. Sturdy and durable, anti-rust and corrosion resistant, better than most plastic fasteners. Anti-rust design: plastic washers will not rust, better than metal washers.When you tighten the bolts the washers squeeze into the holes, you need to be careful not to tighten the bolt so much that it pushes through the washer. The screw has a solid brass thread inside for non-slip and rust-proof use.Easy to use: Place the toilet seat bolts into the toilet mounting holes. The rubber grommets have a threaded section so you can simply push them into the holes in the top of the toilet bowl and when you tighten the screw it expands and tightens into the hole, without the need for a bolt on the other end of the screw. Practical and time-saving. Universal: set of 2 / 4 replacement parts for toilet seats. If your toilet seat continues to move, please use these toilet seat fixing screws to replace the unnecessary plastic inserts that come with a new top fixing seat.The toilet seat fittings fit most standard toilet seats with top fixing hinges, toilet seats hole 14-18mm.Note: The data is all measured manually, please allow 1-3cm error Due to differences in light and display, there may be color differences, please refer to the actual item received.