[Strong] The toilet seat fixing set is made of stainless steel and rubber, anti-corrosion, has good toughness, strong and durable. Screw length: 47mm/1.9in; Rubber fixing length: 40mm/1.6in; The diameter of the pins that go into the seat is about 8mm. [4 Pieces Toilet Bumpers] The toilet lid bumper can provide cushioning to protect your toilet seat. They can also reduce the noise of the toilet lid closing. The toilet seat bumpers are safe and can protect your toilet seat well. [Wide Range of Uses] The toilet seat top fasteners are specially designed to fix the toilet top, which is suitable for most standard toilet seats and top fixing hinges. The toilet seat bumpers are used for the cushioning and non-slip of the toilet seat cushion, they improve the stability of the seat cushion. [Easy to Install] Easy to replace without having to go under the seat and hold the tightening nuts. These toilet seat pads are fixed from the top to the toilet seat. using a single screwdriver. Delivery quantity: Two pieces