Shim, Shortening, 18-8 Stainless Steel, Thickness 0.016 In., Thickness Tolerance +/-0.001 In, Outside Dia. 1 In, Width Tolerance +/-0.002 In, Inside Dia. 0.751 In, Length Tolerance -0/+0.010 In, Tensile Strength 70,000 PSI, Rockwell Hardness B80, Package Quantity 50