Tasca Canova 40U undermount sink with standard waste kit. 50 Mounting Type Undermount Cabinet Size 500mm Radius 12mm Material Stainless Steel Finish Scotch Brite External Dimensions 440 x 440 x 200mm Internal Dimensions 400 x 400 x 200mm Stainless Steel Grade SS 304 18/10, 1mm Steel The Tasca Canova 50U Tasca sinks are made with the perfect slope to ensure that water flows out readily.