Arbor Shim Product Type Shim Round Shim Type Arbor Shim Inside Diameter 0.5 in Inside Diameter Tolerance +0.005/-0.015 in Outside Diameter 0.75 in Outside Diameter Tolerance +/-0.005 in Thickness 0.0015 in Thickness Tolerance +/-0.000075 in Material Polyester Material Grade/Class Ungraded Finish Plain Color Purple Temper Not Rated Material Quality Standards MS LP-377 Tensile Strength 30 000 psi Properties Corrosion Resistant Maximum Operating Temperature 300 Degrees F