Standard 1 3/4 Drain Opening: Fits sink hole diameter 1.6-inch to 1.9-inch. MAX. sink thickness 1.97-inch. The P-Trap is designed to work with any 1-1/4 inch Drain Assembly.Ideal for any above-counter vessel sink with overflow. Solid Metal Construction: The pop-up drain stopper is constructed of brass and type 304 premium grade stainless steel, protecting against corrosion and rust in a humid environment. Easy to Operate: Spring loaded push button does not require a lift rod. Simply push the drain cap down to close and to seal, push again to open and to drain water. You can turn the upper cap counter-clockwise to unscrew and remove. Easy to Install, No Leaks: All required gaskets, seals and brass mounting nut are included. Please make sure the gaskets are in the right position to avoid leakage. After-sales service:CHOOSE Bathroom Sink Drains ,CHOOSE QUALITY,CHOOSE RANDOM.Backed by Kaiping City Langdeng Plumbing Industry Co.,Ltd. if you are not satisfied, please let us know. We are full of passion and will continue to provide you with better products and services.Click on the Add To Cart button now.