Light Scratches, Which Occur With Everyday Use, Naturally Blend Into The Finish With Time.Lustertone Stainless Steel 25 X 21-1/4 X 6-1/2 Single Bowl Top Mount Ada Sink Light scratches naturally blend into sink finish with time.•18-GAUGE STAINLESS STEEL: Highest quality 18-gauge thickness and Type 304 stainless steel for lasting durability, performance and lustrous beauty.