Key Stock System of Measurement Inch Material Brass Material Grade/Class Ungraded Finish Plain Height 3/8 in Thickness Tolerance +/-0.003 in Length 12 in Length Tolerance +0.000/-0.125 in Width 3/8 in Width Tolerance +/-0.003 in Pack Size Small Pack Made in North America Yes Key Shape Straight Rockwell Hardness 68F-80B Features Non-Magnetic Manufacturer Location Made in USA Material Quality Standards ASTM B16 Key Type Bilateral