Generic Bathroom Sink Stopper 1 1/4 In Pipe Dia Drains Pop-Up Lavatory Waste Connection Drains Bathroom Sink Drain Pop Up Without Overflow

Standard Drain Opening: Fits standard US bathroom sink with 1-5/8"to 1-7/8" drain hole(40-48 mm) and is for sinks with a maximum thickness of 50mm. The tailpiece diameter is 1-1/4". please check the size of the sinkhole before purchasing.