44mm Standard Drain: Suitable for drains with a diameter of 41mm to 50mm. maximum Basin thickness: 50 mm, min. : 20mm. Fits any drain without an overflow. Strong Metal Construction: The drain plug is made of high-grade 304 stainless steel and brass, protecting against corrosion and rust in wet environments.< / p> Dimension: Overall length: 215mm , Pop-up cover diameter: 66mm, Exhaust pipe diameter: 32mm. Easy to use: spring loaded push button. Simply press down on the drain plug to close and lock it. Press again to open and empty the water. You can twist the top cap counter-clockwise to unscrew and remove. You won't leak - all necessary brass washers, gaskets and mounting nuts are included in packaging. To avoid leaks, make sure the seal is installed in the correct position.