Precision Brand Slotted Shim is the best way to solve alignment and levelling problems. Slotted Shim works on motors, pumps, generators and other plant machinery. Each full assortment contains 20 pieces of the following sizes: .001, .002, .003, .004, .005, .010, .015, .020, .025, .050, .075, .100, .125. A full assortment kit contains 260 pieces and is packaged in a durable metal box.