Supkiir 4Pcs Toilet Seat Bolts And Screws, Quick Release Top Hinge Fixings, Our expandable rubber spirals automatically conform to the installation holes, ensuring a seamless and snug fit. This innovative design eliminates any wobbling or shifting, providing a reliable and comfortable seating experience. Package: Specifications: IMPORTANT: EXPANDING RUBBER SCREWS: Toilet seat bolts feature expandable rubber bung outside the nut that perfectly conform to installation holes when you tighten the bolts they squash up, ensuring a snug fit. UNIVERSAL COMPATIBILITY: Suitable for all standard toilet seats, these toilet cover connectors are perfect for replacement purposes, offering seamless compatibility. DURABLE MATERIAL: The toilet lid screws and fixing cap are made of stainless steel, the expandable ball is made of good rubber, building to last, withstanding regular use and maintaining their reliability over time. EASY INSTALLATION: Come with all installation accessories, our toilet seat bolts and screws can be easily attached and tightened by a screwdriver, and then cover the fixing cap, saving you time and effort. SUPERIOT STRENGTH AND STABILITY: Our connectors are designed to be sturdier than plastic alternatives, providing enhanced support and ensuring the toilet seat stays securely in place.