Brushed Nickel Lavatory Pop-Up Drain with OverflowFor vessel sinksWith overflow holes18 gauge4" Drain Body8" Brass TailpieceDecorative finish covers all metal parts including tailpiece and lock nut.Tailpiece opening - 1-1/4" ODFits sinks with 1-1/2" drain holeSilicone washersBodies threaded completely to the top.