U39666.062.0600 Hitch Pin, Pin Diameter 5/8 in, Shank Diameter 5/8 in, Shank Length 6 in, Pin Type Detent, Material Steel, Material Grade/Class Grade 1038/Grade 4140, Finish Zinc Plated, Usable Length 6 in, Product Type Hitch Pins, System of Measurement Inch, Maximum Hole Size 0.253 in, Minimum Hole Size 0.203 in, Head Diameter 13/64 in, Material Quality Standards Not Applicable, Dimensional Standards Not Applicable, Pack Size Small Pack, Head Diameter Tolerance +0.05/-0.00 in