Standard toilet buttons Push buttons for water tank size 38mm; 2 toilet flush valves; 4 long screw rods. High quality materials Dual flush toilet push buttons, made of ABS materials, non-toxic and harmless, durable. Screw Rod Extension: Flush button for high pressure pumps Closestool equipped with two 10.5cm long screw rods, can be cut as needed, adapt to different toilet heights, flexible and comfortable. High-precision coating: WC knob standard 38mm. Full button coating, brilliance and luminous surface adapt to the complex environment of the bathroom as well as the corrosion resistance against acid and alkali. Easy to use The flush button double disassembly, easy installation, simple structure, and not easily damaged. Material: ABS + electric plate Color: silver. Dimensions: 38 mm. Diameter: 46 mm . Long rod: 105 mm. Contents: 2 press studs for tank toilet water. 4 long screw rods.