MDF Cooke & Lewis Nitoite 1.5 Bowl Sink Fitting (L)100mm (W)600mm. This MDF sink fitting is suitable for the Cooke & Lewis Nitoite 1.5 bowl. It measures 100mm by 600mm by 22mm & is used when you need to cut out a hole for an undermount sink in your kitchen worktop ideal for a perfect accurate cut out.