Aquaterior 1 5/8" Pop Up Brushed Nickel Drain W/Overflow Bathroom Lavatory Vessel Basin Sink Faucet 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 1-5/8" to 2" in diameter and with overflow hole