1 pair blind hole hinges of rubber expansion universal fittings, bolt nut screw washer. Suitable for 14mm hole for 2 toilet seats, universal uses. Fits most standard toilet seats with top mounting hinge. They are very easy to install within minutes, just remove the old clean bolts around the area and install the new bolts. The round hinge plate makes this item very sturdy and ideal if your current seat accessories are loose, making the toilet seat mobile Functionality: Easy to install in minutes, just remove the old bolts and install the new bolts Quality rubber, smooth surface.Excellent toughness, not easy to break Universal uses, ideal for broken or old toilet seat hinges Specifications: Product Name: Toilet Seat Screw Material: Tube Nut: black rubber. Round card: ABS plastic. Screw: stainless steel. Rubber tube nut: diameter 14 mm length 40 mm. Screw: diameter 4.7 mm length 48 mm. The package includes: 2 x toilet seat screws