This is the "real deal" kohler drain assembly. If you bought your Kohler sink at a big box store they will only have generic parts to go with it. I got  two of these from Wayfair for a double Kohler sink. I needed the hard to find polished brass and they had them in stock. Wayfair sells these for much less than the manufacturer, no tax and free shipping. Mine arrived on the fourth day. You're getting here actually the three parts  you will need, basket, strainer and the short pipe known as the tailpiece. In my case very impressive solid brass. I am very satisfied with product, price and service.