【High Quality】The flush button is made of high quality ABS material, the surface of the button is chrome process, advanced and textured, very suitable for the humid environment, not easy to be corroded aging, wear-resistant, long use time. 【Double button design】Replacement toilet flush buttons with double button design, convenient to use, and the surface of the toilet with the chrome plating process, the design is very textured, beautiful and generous. 【Universal Application】The flush button is suitable for most flush toilets on the market, external diameter of the button: 50 mm / 1.97 inch, button thread: 38 mm / 1.5 inch, Tao in hole inner diameter: 38-50mm / 1.5-1.97inch, please check your own toilet lid hole size in detail before purchasing. 【Easy to install】Installation steps of the adjustable flush button are very convenient. No drilling or other tools needed, just open the toilet lid, take out the old knob and put the new double toilet knob on, screw it in and use it. < p>【Size specifications】Material of flush button is ABS; shape is round; type is double button design; bolt shank length: 100mm (bolt shank can be cut).