Alveus Monarch Variant 40 Anthracite undermount standard bowl kitchen sink in satin finish. Mounting Type Undermount Cabinet Size 450mm Radius 80mm approx Material Stainless Steel Finish Anthracite External Dimensions 370 x 430 x 185mm Internal Dimensions 340 x 400 x 180mm Stainless Steel Grade SS 304 The Variant 110 and Variant 40 combine perfectly in a 600mm cabinet. Please read the product care notes on colour coated sinks and taps.