Toilet Seat Fastener, 2 Pcs Toilet Seat Screws Rubber Nuts Universal Toilet Seat Fittings Screws for Toilet Lid Lid White

Material: rubber (expandable ball) / ABS plastic (round cards) / stainless steel (screws). Size: Diameter of the expansion ball: 1.8 cm/0.7 inches (non-expanded state) Length: 4 cm/1.57 inches. Suitable for 14-16mm hole for 2 toilet seats. Fits most standard toilet seats with top hinge. The rubber grommets in the kit have a threaded section so you can simply push them into the holes at 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. Wide applications: ideal for broken or old toilet seat hinges