Features: Brand new and high quality You will receive 4 pairs / 8 pcs toilet seat screws, rubber and nylon to meet your different toilet fitting and bathroom style. The toilet seat fittings and fixtures universally fit for most standard toilet seat with top fixing hinges, the hole of toilet seats from 14 to 16mm. Please check the detail size of each toilet seat expanding nut on the picture. Simply push the toilet seat fixings into the toilet installation hole and tighten it with a screwdriver to make the toilet lid no longer loose. Made of rubber, nylon, ABS material and stainless steel, this toilet seat fixings kits is sturdy and durable, ensure a long time use. Top fixing toilet seat fittings are suitable for replacement of broken and old toilet seat hinges, helping to stop toilet seat keep stable. Specifications: Material: Rubber, nylon, stainless steel Color: Black, White Rubber expansion nut size:4cm/1.57 " Metal screws size:4.8cm/1.89 " washer size:1.8cm/ 0.7 " Nylon expansion nut size:4cm/1.57 " metal screws size:4.5cm/1.77 " washer size:1.4cm/ 0.55 " Package Includes: 8x Toilet Seat Fittings note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.