Aquaterior 1 1/2" Pop Up Brushed Nickel Drain W/Overflow Bathroom Lavatory Vessel Basin Sink Brass Three-layer finish, solid brass constructed Smooth convenient push-button operation, water-tight seal Easy assembly, easy cleaning Brand new, splendid necessities for your bathroom vessel sink Fit for most sinks with drain hole from 1-1/2" to 2" in diameter and with overflow hole