Solve your alignment needs with Precision Brand Shim Sheets 6 inches wide and 18 inches long. This comes in a pack of 10 pcs and is made of Full Hard, Cold-rolled, Low Carbon 1008-1010 Steel. These are not completely flat. There will be a slight warp as these sheets are cut from a larger coil. Contains 1 each of: .002″, .003″, .004″, .005″, .007″, .010″, .012″, .015″ and .020″.