Assortment contains 10 each of the following thicknesses: 0.0005 in, 0.001 in, 0.0015 in, 0.002 in, 0.003 in, 0.004 in, 0.005 in, 0.0075 in, 0.01 in, 0.0125 in, 0.015 in, 0.02 in, 0.025 in, 0.03 in, 0.04 in, 0.05 in and 0.06 in. Made from a high quality, color coded, plastic material, that has minimal compression during use. Size A - 2 x 2 in. Slot size - 5/8 in. Packaged in a sturdy chipboard box. Precision Brand® plastic Slotted shim is used for mounting and leveling smaller, fractional horsepower motors, various gages and instruments and light duty plant machinery. A more economical option when stainless steel Slotted shim properties are not needed. Plastic Slotted shim is not recommended and should not be used for larger, heavier motors. Precision Brand® Slotted Shim Assortment, Color Coded Size A, Polyester/PVC, 0.0005 in Minimum Thickness, 0.06 in Maximum Thickness, 2 in Width, 2 in Length, 170 Piece