Umbrella Universal Lavatory Drain - Exposed Installation• European round umbrella universal push-down lavatory sink drain• Can be used on sinks with and without overflow holes• Fits 1-1/2 in. to 1-5/8 in. opening with 1-1/4 in. tailpiece• Fully finished for exposed installations• Fits sinks from extra-thin sheet metal up to 2-3/4 in. thick• Push in stopper to seal water• Heavy duty brass construction• Do not use plumber"s putty for installation