Toilet Flush Button Set: You get 2 standard double flush toilet flush buttons. The double toilet button is compatible with most double bath toilets or water tanks. Universal size: Diameter: 38mm/1.5inch. toilet flush button is compatible with holes with a diameter of 38mm-43mm. Check the size of your toilet lid hole before you order. Durable material: Dual flush toilet push button is made of ABS engineering plastic, the button surface is chrome plated, which is not easy to age, corrosion resistant and anti-wear. Does not leak, does not get stuck. Our toilet water tank push buttons with stainless steel spring which is durable. Easy to install: this universal toilet flush button replacement is so easy to install. Just screw it on by hand and the toilet flushes well again. You don't need to use any other tools. Save time and energy. Product application: Compatible with most double flush toilets, suitable for the toilet lid with a buttonhole size of 38-43mm, the rod can be cut according to the needs of use to adapt to the height of the water tank. Toilet flush buttons are an accessory required by home office stores.