Fits Drain Hole DiameterThe sink plugs fit sink drain hole with an inner diameter of 37mm to 41mm (1.46' to 1.61'). Please check the inner diameter of the sink drain before purchasing. Premium Material The drain strainer stopper is made of stainless steel and brass rebound core, Effectively resists scratches, corrosion and rust. Suitable for washbasin, sink and kitchen bathroom. Two Mode Switch Gently press the top cap to switch between 2 modes - the stopper (to keep water) and the strainer (to drain water). Easy to Install and CleanWithout the use of tools, simply remove the old one and insert the rebound core to complete the installation. And all components can be easily removed for easy cleaning. Special Anti-clogging DesignSink drain has an anti-clogging basket strainer inside which can collect hair and prevent the drain from getting clogged. Also prevent jewelry and rings from falling down the drain.