Stainless steel junior duo basket strainer drain is designed to fit standard bar sinks.  Features a mini strainer to help trap small debris. Coordinates well with polished stainlesss steel, nickel and chrome bar sinks. This drain  will fit in a 2" opening.  The top widest part of the drain is 2.5" diameter and the base diameter is only 2.25".  Overall height is 3.25" when assembled.