Durable and reliable operation: The flush button uses a 304 stainless steel spring in the internal mechanism, tested for up to 100,000 presses. It maintains elasticity, resists leaks and sticking, and serves as a dependable replacement for a broken button. Material and build: Gold finish dual flush push button made from ABS plastic. Easy to disassemble, simple to install, with a robust, durable structure. Compatibility and aesthetics: Compatible with most double flush toilets and water tanks. The gold button pairs with a white toilet tank cover for a clean, elegant bathroom look. Size and fit: Thread diameter 38 mm (1.5 inches). Suitable for most dualflush toilets with toilet cover openings of 38–4 mm. Practical applications: a wornout or malfunctioning flush button on existing dualflush toilets; upgrade bathroom aesthetics in homes, hotels, or offices; suitable for DIY installations and renovations requiring a compatible button.