Features: Make from Stainless steels and rubber, strong and Enduring. The rubber bungs slide into holes perfectly and when you tighten the bolts they squash up in holes to make a good tighten fit. The rubber grommets with a threaded section, when you tighten the screw expands and tightens itself into the hole, without the need of a bolt on the other end of the screw. Great for broken or old toilet hinges. Fit for most standard toilet with top fix hinge. Top Fix: you can using a screwdriver to push it down from base. Save time and effort! Specifications: Component: Rubber and Stainless steels Screw Size: about 12x45mm/0.47x1.77inch Package Includes: 1set Toilet Seats Top Fix Screws Fixings note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.