We have aluminum pattern sheet of many patterns:diamond,grain,three bar,four bar, five bar etc. The specifications of our aluminum pattern sheet is as following:1)Material alloy:1050,1060,1100,3003,5052 etc2)Size:as you require3)Pattern: diamond,indicator,grain,hyacinth,three bar, four bar, five bar(big&small) etc. 5 big bar aluminum pattern sheet, checked aluminum sheet