General description These CSPARKV rubber expansion screws are designed for fixing toilet seats securely and efficiently. The set includes 8 pieces, making it a practical choice for both replacements and new installations. Technical specifications Rubber sleeve size: 40mm / 1.57in Metal screw size: 48mm / 1.89in Material: Rubber and metal Usage These expansion screws are easy to use. Simply insert the screw into the hole, tighten it, and press the hole together to replace your toilet seat effortlessly. They are suitable for most standard toilet seats with top-mounted hinges and can also be used for rear-mounted or wall-mounted toilets. Other information Durable and resistant to damage and oxidation Glossy finish enhances the overall look of your toilet