For With Overflow Sinks Size: The bathroom sink drain fits sinks with a 1 3/4-inch drain hole, Sink Hole Diameter 1.63 to 2 inches inches. Compatible with sink thicknesses from 0.79 inches to 2 inches. Caution:Bathroom Sink Drain Without Overflow for Vessel Sink Lavatory Vanity,Kindly measure your sink dimensions and confirm the same. Anti-Clogging Drain Strainer: Equipped with an anti-clogging drain strainer, this pop-up drain ensures efficient water flow while preventing hair, debris, and other particles from clogging your sink. Overflow Protection: Designed with an overflow, this sink drain assembly prevents water from overflowing and keeps your sink from flooding, providing peace of mind and added convenience. Standard American Drain Compatibility: Specifically designed to fit standard American drains, this sink drain assembly ensures easy installation and compatibility with a wide range of bathroom sinks. Easy to Clean: The Hoanmpy vessel sink drain is easy to clean, making maintenance a breeze and ensuring a hygienic and clean bathroom environment. Push Closing Pop-Up Sink Drain with overflow allows for a cost effective decorative option for open vanity or vessel sinks to matchthe finish of the faucet.¦ Features:Color:Matte Black FinishDurable construction:304 Stainless Steel + ABS Pipe BodyStyle:For sinks with overflow drainageSpring-loaded push button:Simple one touch will quickly spill water.2.2 in. Dia drain coverfor rapid drainageFits standard drain openings:1-5/8-in to 1-4/5-inSilicone gaskets includedfor leak-proof water