Alveus Praktik 100 Topmount Reversible Large Single Bowl Kitchen Sink with Drainer, in a Satin Finish. Mounting Type Topmount & Reversible Cabinet Size 600mm Radius Various Cut-out Size 962 x 482mm Material Stainless Steel Finish Polished Steel External Dimensions 980 x 500 x 210mm Internal Dimensions 480 x 400 x 210mm Stainless Steel Grade SS 304