Woodruff Key, 31/64 in L, 0.0625 in W, PK100, Length 31/64 in, Length Tolerance + 0.006625 /- 0.003375 in, Material Steel, Material Grade/Class Grade 1018/Grade 1045, Finish Plain, Height 0.0469 in, Width 0.0625 in, Width Tolerance + 0.000 /- 0.001 in, Rockwell Hardness B90, Tensile Strength 72, 000 psi, Made in North America No, Manufacturer Location Globally Sourced, Key Shape Woodruff, System of Measurement Inch, Package Quantity 100. This item has been restricted from sale in the following state (s): []