Woodruff Key Assortment, Inch, 250 pcs, System of Measurement Inch, Material Steel, Material Grade/Class Ungraded, Finish Plain, Thickness Tolerance + 0.001 /- 0.000 in, Number of Pieces 250, Number of Sizes 18, Manufacturer Location Made in USA*, Pack Size Small Pack. This item has been restricted from sale in the following state (s): []