Arbor Shim Assortment System of Measurement Inch Inside Diameter 1.5 in Product Type Arbor Shim Assortment Outside Diameter 2.125 in Inside Diameter Tolerance +0.015/-0.000 in Thickness 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 Thickness Tolerance +/-5 Percent Keyway Width Not Applicable Keyway Depth Not Applicable Round Shim Type Arbor Shim Material Plastic Finish Plain Temper Not Applicable