KOHLER 6389-ST Sink Rack for K-3356 Undertone and K-3356-HCF Undertone Preserve Sinks, 18-Inch X 17-3/4-Inch, Stainless Steel Fits in the left bowl of K-3356 Undertone and K-3356-HCF Undertone Preserve kitchen sinks Comes included with the K-3356-HCF Undertone Preserve kitchen sink Dishwasher safe Helps protect sink surface from daily wear Innovative wheels around the perimeter provide a secure fit and reduce debris buildup