Outer diameter of 48mm (1.89 inches) and total length of 114mm (4.49 inches) for a . Designed for dual flush toilets, compatible with most models featuring a 38mm hole in the cistern lid. Made from , durable plastic for long-lasting use and reliability. Ease to Use: Installation of the dual push toilet button is quick and easy, taking only a few minutes. The rods can be cut to the desired length to fit the height of the water tank.