Key Stock System of Measurement Inch Material Stainless Steel Material Grade/Class 18-8 Finish Plain Height 9/16 in Thickness Tolerance +0.003/-0.000 in Length 12 in Length Tolerance +0.000/-0.125 in Width 9/16 in Width Tolerance +0.003/-0.000 in Pack Size Small Pack Made in North America Yes Key Shape Straight Rockwell Hardness HRB 82 Features Mildly Magnetic Tensile Strength 35 000 psi Manufacturer Location Made in USA Material Quality Standards ASTM A484 Key Type Oversized