Barclay FSDB1554 Millwood 36" Fireclay Double Bowl Farmhouse Kitchen Sink with Arched Apron Finish:White 5% is pretty much the

5% is pretty much the purest copper you can get without it being too soft for practical applications

Stands on durable plastic feet raised about half an inch above the bottom of the sink

Additionally

interior 9 1/8"

Barclay FSDB1554 Millwood 36" Fireclay Double Bowl Farmhouse Kitchen Sink with Arched Apron Finish:White 5% is pretty much theBarclay FSDB1554 Millwood 36" Fireclay Double Bowl Farmhouse Kitchen Sink with Arched Apron Description Barclay's Millwood farmer sink features double bowl design with a 60 40 split and low divide between bowls. Fire clay construction ensures a smooth wave less surface that resists chipping, cracking and discoloration. Millwood is finished on all four sides and features a designer front with arched trim. Key Features Apron front double bowl design