An Elkay Lustertone Classic stainless steel sink looks as great on day 3,000 as it does on day one.. Lustertone Stainless Steel 31-1/4 X 20-1/2 X 5-3/8 Offset Double Bowl Undermount Ada Sink Available in ADA depths. Deeper scratches are repairable with an Elkay stainless steel restoration kit.