This universal 40mm sink drain fits almost all sinks and bidets perfectly covering the entire drainage hole - This is one reason why it is the most popular model in Germany Simply place the sink stopper in the drainage hole and installation is done - It couldn't be easier - The height of the universal sink stopper is easily adjusted by hand between 6.5cm and 8.5cm Attractive and featuring a high quality chrome finish that matches your existing bathroom fixtures and can last for many years - We have also added an anti-limescale layer to prevent calcification and ensure durability This sink flapper has a sturdy rubber ring and four side wings to hold it perfectly in place, without moving Color: Chrome The perfect fit This 40mm waste flap fits perfectly and securely into almost all sinks and bidets on the market.