Arbor Shim,SS,0.31 in O.D.,PK25, Round Shim Type Arbor Shim, Inside Diameter 0.206 in, Outside Diameter 0.31 in, Thickness 0.005 In., Thickness Tolerance +/-0.0005 in, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, Color Blue,...