Key Stock System of Measurement Metric Material Steel Material Grade/Class Ungraded Finish Zinc Plated Height 5 mm Thickness Tolerance +0.000/-0.070 mm Length 305 mm Length Tolerance +0.000/-0.005 mm Width 8 mm Width Tolerance +0.000/-0.040 mm Pack Size Small Pack Made in North America Yes Properties Corrosion Resistant Key Shape Straight Rockwell Hardness B85 Features Magnetic Tensile Strength 64 000 psi Manufacturer Location Made in USA Key Type Undersized