Machine Key Length 5 in Length Tolerance +0.000/-0.100 in Material Steel Material Grade/Class Ungraded Finish Plain End Profile Tapered Gib Width Tolerance +0.000/-0.004 in Head Height 1 1/8 in Key Type Bilateral Tensile Strength 64 000 psi System of Measurement Inch Key Shape Gib Head Height 3/4 in Width 3/4 in Rockwell Hardness B85 Made in North America Yes Manufacturer Location Made in USA Pack Size Small Pack