.188" 3/16" Aluminum Plate 12" x 24" Sheet, Mill Finish .188" Material: AluminumSize: 12" x 24"Thickness: .188" or 3/16"Finish: Mill Finish Mill finish- aluminum bare finish that may or may not have minor scratches or lines.Please note because of the finish of the material there may be slight lines or scratches on the material. Please contact us with any questions or concerns, thank you!