Key Stock System of Measurement Metric Material Steel Material Grade/Class Ungraded Finish Plain Height 11 mm Thickness Tolerance +0.000/-0.110 mm Length 1 m Length Tolerance +0.000/-0.005 mm Width 18 mm Width Tolerance +0.000/-0.040 mm Made in North America Yes Key Shape Straight Rockwell Hardness B85 Features Magnetic Tensile Strength 64 000 psi Manufacturer Location Made in USA Key Type Undersized