Plastic Shim Stock is color-coded for your convenience. It is used where corrosion is a problem. 14-piece assortment includes 1 each of thicknesses .0005", .001", .0015", .002", .003", .004", .005", .0075", .010", .0125", .015", .020", .025", .030". Color Assortment 5 x 20" Shown.