Pairs Toilet Seat Hinge Fixings, Toilet Fixing Set Screws Toilet Seat Fixings To Universal Kit: The product includes 3 pairs/6 different size toilet seat replacement kits. The detailed size of each toilet seat nut is shown in the picture. Please measure before purchasing to ensure your toilet seat works properly. High Quality Material: Stretch Ball (Rubber) / Round Card (ABS Plastic) / Screw (Stainless Steel); rust and corrosion resistant, can be used for a long time. Usage: Insert the toilet seat screws into the toilet mounting holes, the rubber washers have parts threaded, you just need to push them into the holes on the top of the toilet, and they will expand and screw into the holes by themselves, which is convenient and time-saving. UNIVERSAL FIXING: These toilet seat fixings are suitable for 14-18mm holes, ideal for broken or old toilet seat hinges. Fits most standard toilet bowls. Ideal for top mount toilet seats and wall units.