- Standard Compatibility: This pop-up drain stopper is designed to fit standard US bathroom sinks with a drain opening of 1-1/2" to 1-3/4" (33-50mm). Please confirm the size of your sink hole before making a purchase to ensure a proper fit. - Durable Materials: Crafted from solid brass for the stopper and threaded pipe, with a stainless steel tailpiece, this drain assembly offers exceptional durability. The chrome finish not only enhances aesthetic appeal but also provides resistance to corrosion. - User-Friendly Installation: Installation is straightforward, as all necessary gaskets, seals, and brass mounting nuts are included. Ensure that the gaskets are positioned correctly according to product images or instructions to prevent leaks. - Effortless Operation: The pop-up mechanism allows for easy use; simply press the cover to seal and press again to open. For maintenance or replacement, the upper cap can be easily unscrewed by turning it counter-clockwise. - Versatile Applications: Ideal for use in residential bathrooms, guest bathrooms, and powder rooms, this drain stopper enhances functionality while adding a polished look. It is suitable for a variety of sink styles, ensuring compatibility with most modern fixtures. - Reliable Performance: With a well-engineered design and high-quality materials, this drain assembly ensures smooth operation and long-lasting performance, making it a smart choice for anyone looking to upgrade or replace their bathroom sink drain.