Aquaterior brushed nickel pop up drain with overflow, three-layer finis, made of solid brass, applicable to vessel sinks with overflow for home uses, suitable for sink hole from 1 7/16' to 2 5/16' Durability and Anti-corrosion - Solid brass body and Brushed Nickel layers for ensuring long serving time and anti-corrosion; smooth convenient push-button operation, water-tight seal Easy Installation - With overflow drain assembly for installing a pop-up drain easily without any tools, easy cleaning Leaking Proof - Thread design and 2 soft silicone gaskets for ensuring even upper shift during the installation and saving water tightly; brand new, splendid necessities for your bathroom vessel sink Wide Application - Ideal for tabletop or drop-in vessel sinks with overflow