Please comfirm that the ORB pop up drain has gold thread, and the matte black pop up drain has no gold thread. Specifications: Function: Pop Up Drain Finish: Chrome Plated / Matt Black / ORB / Brushed Nickel / Brushed Gold Overflow: With Overflow Premium Material: Stainless Steel/PP Basin Hole Fitting Size: 1.61" to 1.97"(41-50mm) Product Advantage: Wide Application - Ideal for tabletop or drop-in vessel Basin with overflow.Applicable to vessel Basin with overflow for home uses, Fits 1.61" to 1.97"(41-50mm)drain holes. Easy clean,Anti-clogging (Collect Hair) - The filter element can be taken out by lifting the decorative cover, and there is no need to twist the bounce cover by hand when cleaning the internal blockage, which saves time and effort. Easy to Install (Improved Design)- With overflow drain assembly for installing a pop-up drain easily without any tools Leak-proof Water-Our drain with overflow hole is designed for sinks with a push up and down mechanism that allows it to open and close the drain,to prevent water overflow the pot is overfilled. This is a push-button style drain,simply press the top of the pop-up to close,and another press to open. Notes: Please allow 1-3mm difference due to manual measurement. Due to light and screen difference, the item's color may be slightly different from the pictures.