Arbor Shim,Steel,0.047 in Thk,PK10, Product Type Arbor Shim, Round Shim Type Arbor Shim, Inside Diameter 0.5 in, Inside Diameter Tolerance +0.011/-0.000 in, Outside Diameter 0.75 in, Outside Diameter Tolerance +/-0.002 in, Thickness 0.047 in, Thickness Tolerance +/-0.002 in, Material Steel, Material Grade/Class Ungraded, Finish Plain, Color Silver, Temper Full Hard, Material Quality Standards AISI 1008-1010, Tensile Strength 80,000 psi, Manufacturer Location Made in USA*