Franke 4010856 Stainless Steel Kitchen Sink Drain and Strainer Kit, Fits 3 1/2" Diameter Sink Drain Holes, Brushed Nickel Finely brushed nickel finish blends with common decor Package contains complete drain basket flange and strainer Basket flange fits most sinks featuring a 3 1/2" drain hole Strainer is 3 1/2" in diameter and sits within the included basket flange Compatible with 1 1/2" drain plumbing Must be installed in sink as a kit