Premier Copper Products D-207ORB 1.5-Inch Non-Overflow Grid Bathroom Sink Drain, Oil Rubbed Bronze Non-overflow teardrop grid down pipe width is 1.25-Inch Upper flange dimensions: 2.125-Inch, overall length: 8.375-Inch, thread length: 2.5-Inch It can be installed by compression Drain size is 1.5-Inch It is made of brass