Blanco 221-019 Stainless Steel Sink Grid Stainless Steel with protective bumpers and feet Fits Blanco super supreme large bowl 440157 & 440158 Limited 1 year warranty 17-1/4-Inch x 17-5/16-Inch Stainless Steel With protective bumpers and feet Stainless Fits Platinum Series Super Supreme Large Bowl (512-729 and 512-722)