Elastic Spring and durability The flush button uses a 304 stainless steel spring. It has a 100,000 continuous press life test, offering elasticity, no leakage, and no jam. It is a reliable replacement for a damaged button. Material and design The black doublepress toilet button is made of quality ABS plastic with a frosted surface. It is stylish and detachable for easy installation. Application and compatibility The push button flush is compatible with most double flush toilets or water tanks. The black button pairs well with a white toilet tank cover, adding an elegant and simple touch to your bathroom. Installation size and fit The button has a 38 mm size. The screw is 12 cm long and can be cut to suit the height of the water tank. Use scenarios 1. Replacing a worn or damaged flush button on a standard doubleflush toilet to restore reliable operation. 2. Upgrading a bathroom or hotel room with a durable, lowmaintenance black frosted button that matches a white tank cover. 3. Retrofit or maintenance projects where you need to cut the mounting screw to fit different tank heights and ensure a snug fit.