Key Stock System of Measurement Inch Material Stainless Steel Material Grade/Class 410 Finish Plain Height 1/2 in Thickness Tolerance +0.000/-0.003 in Length 12 in Length Tolerance +0.000/-0.125 in Width 1/2 in Width Tolerance +0.000/-0.003 in Pack Size Small Pack Made in North America Yes Key Shape Straight Rockwell Hardness HRB 86 Features Mildly Magnetic Tensile Strength 40 000 psi Manufacturer Location Made in USA Material Quality Standards ASTM A582 Key Type Undersized