U39000.591.0325-pk2 Taper Pin, Thread Size Not Applicable, Pin Size #9, Large End Diameter 0.592 in, Small End Diameter 0.523 in, Pin Type Standard, Product Type Taper Pin, Material Steel, Material Grade/Class Ungraded, Finish Plain, Usable Length Not Applicable, Small End Diameter Tolerance +0.01/-0.02 in, Shank Length 3 1/4 in, System of Measurement Inch, Usable Length Tolerance Not Applicable, Thread Type Not Applicable, Material Quality Standards Not Applicable, Dimensional Standards ASME B18.8.2 PK2