Blanco 222591 Wood Cutting Board, Fits Performa Silgranit II Super Single Bowl, Walnut Produced from Walnut wood Fits Silgranit ii super single bowl sinks Length: 18-1/8''; Width: 12-9/16'' constructed of genuine walnut Fits the Blanco Performa silgranit II models 440063, 440064, 440065, 440066, 440067, 441227 Length 18.13 Width 12.56 Single bowl